OT-2026-000053143
Publication integrity record
Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000053143) never changes.
Identity and time
| Publication number | OT-2026-000053143 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a432-75d3-9e56-65dc6868d5ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c1dc51a007d4e9f391cac1fbb8fdb3748f7dc7cd244f72a18afa01f926203cc |
|---|---|
| Markdown | efb0fc76c79799160973bc5c573443b0bfd727ba5e5d069bf027349cb36f0824 |
| Publication page | d4c7e4c85c42793af754d44306005646718c90ba57ae460f4150b71fe88ed993 |
| Manifest | cf2deb37dad69c0cdcbc74ffa8734272b1dce1f16eabdfdbd9d3ebff620b3d70 |
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 | T9x8oqiqGQ9J09JYPs5GlMX20PV0Ak3TL1jgoVq53TH5Zr7XdluDJxyTTmQ35HP/uG+XndRRk24O/sb3+E7cCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:57.566955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053143observed d4c7e4c85c42793af754d44306005646...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:57.549425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053143/manifest.jsonobserved cf2deb37dad69c0cdcbc74ffa8734272...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:57.528574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053143/publication.mdobserved efb0fc76c79799160973bc5c573443b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:57.507844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053143/publication.txtobserved 4c1dc51a007d4e9f391cac1fbb8fdb37...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|