OpenTechnical

OT-2026-000032694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000032694) never changes.

Identity and time

Publication numberOT-2026-000032694 · never reused
Internal UUID01a0ae75-1070-7419-bbab-18d18c2d8a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032694
StatusPUBLIC

Content hashes

Canonical textb1dfded4eba29490a0562140291e976d6513f9f93869ffaedf41f7029802a010
Markdown698598c5a3e5642510231503d280e27fdba5ccb3ec3c7158ccb6b529baf1dc68
PDF
Publication page50b8788f5b73d2b821ec6bafbe4298cd9d9460955965826a812244df8f4054f7
Manifest9b06569d23ee003a6a5192864436bdb102ada827e840a2df56b31ef9cf6c10e3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWPdLkfrPySuZSUN0aTiBacCqhb/aEIxMkpVXVbLMPLwWCpNu6YsYYobFmLiiMCJLvFNsWVO0xhvELx6UB9F2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:18.304000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032694
observed 50b8788f5b73d2b821ec6bafbe4298cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.287074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032694/manifest.json
observed 9b06569d23ee003a6a5192864436bdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.268713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032694/publication.md
observed 698598c5a3e5642510231503d280e27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.250983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032694/publication.txt
observed b1dfded4eba29490a0562140291e976d...
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 archivePending 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 packagePending Custody packages are produced weekly.