OT-2026-000001872
Publication integrity record
Soft variable impedance actuator using embedded jamming layer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000001872) never changes.
Identity and time
| Publication number | OT-2026-000001872 · never reused |
|---|---|
| Internal UUID | 01a0a679-235a-7dce-8a00-c54bdb699993 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:11.899306Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001872 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea9f3ce527e82920612fe66f8c31c32ae4d49e09ef221bad32e0671ea6940955 |
|---|---|
| Markdown | ad6a7f3c3ad5f3c07bd323d729248a303a32473aebed294a38ef6ab7529f2191 |
| Publication page | ae6663134f68c7ca2d0c7e24c764be7462c236b0547e01f586c88d41f44b3087 |
| Manifest | ec196f41df354e0ed8fdc8d659f63e6b295edab4d4f27b1fe19b194a82eee19c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | i71TLGS3+e0UmkOPBiuVpiFMfWJYl6btEkPrt9l+qQuQGSmqfmHEuABtdF0XRasPsStKtfPzmBsxqpj7JjyMAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-22T08:41:54.078725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872observed ae6663134f68c7ca2d0c7e24c764be74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T08:41:54.011401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/manifest.jsonobserved ec196f41df354e0ed8fdc8d659f63e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:53.940952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/publication.mdobserved ad6a7f3c3ad5f3c07bd323d729248a30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:53.760127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/publication.txtobserved ea9f3ce527e82920612fe66f8c31c32a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:44.606024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872observed ae6663134f68c7ca2d0c7e24c764be74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:44.443184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/manifest.jsonobserved ec196f41df354e0ed8fdc8d659f63e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:44.258834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/publication.mdobserved ad6a7f3c3ad5f3c07bd323d729248a30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:44.067747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001872/publication.txtobserved ea9f3ce527e82920612fe66f8c31c32a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|