OT-2026-000001998
Publication integrity record
Robot end effector
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-2026-000001998) never changes.
Identity and time
| Publication number | OT-2026-000001998 · never reused |
|---|---|
| Internal UUID | 01a0a679-f41e-7c55-b0c5-c43b3c591bba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:05.342970Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001998 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ec177a560b734d28c219e014e28874ed78a3da2f801d7e2dfec5c17e6e398ee |
|---|---|
| Markdown | a810809485c2dbb426c6e666b08c14347e43be9878c21c7f257e2aeea1cd6691 |
| Publication page | 619d0b5901be7bc672f36c2fa2a4409a9cb1c93d562a17a3b6520faa32fc61b0 |
| Manifest | 0f50e794d3f2b6da5ecc6b131685329d2ba2df3a44fc6978e301d7ee5a0b6883 |
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 | pdf+8g7LyXc3ER0h2iimmYFDTjetrA8ZdceywsG31xJyX33ebEEug5brP5vHVHemlrZLyQ7/sWsoMISaLeqsAg== |
| 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
| 2026-09-16T12:42:18.375118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998observed 619d0b5901be7bc672f36c2fa2a4409a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:18.249812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998/manifest.jsonobserved 0f50e794d3f2b6da5ecc6b131685329d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:18.078515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998/publication.mdobserved a810809485c2dbb426c6e666b08c1434...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:17.857569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998/publication.txtobserved 1ec177a560b734d28c219e014e28874e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.921596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998observed 619d0b5901be7bc672f36c2fa2a4409a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.892550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998/manifest.jsonobserved 0f50e794d3f2b6da5ecc6b131685329d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.879768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001998/publication.txtobserved 1ec177a560b734d28c219e014e28874e...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|