OpenTechnical

OT-2026-000085774

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, sustained 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-2026-000085774) never changes.

Identity and time

Publication numberOT-2026-000085774 · never reused
Internal UUID01a0ae99-e829-7376-80d7-c90e15b1cc7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085774
StatusPUBLIC

Content hashes

Canonical textcddfd540db7ee62aa6f131e33028f2892fe976f38fd310f57c048e81c8b89dad
Markdowneb5d1daf00eba881a72e01a2f14cdec7ea3f7dd93b3e752267b3c0af510e2b3b
PDF
Publication page0781ae86205d5d7fc5cded511fd24d9781cb33da315746b310f4fa3f194c49a2
Manifestfd7285bf7923e69a16a23a86568bd8ac3d33612562b52c5e1a703b34470b8eb2

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
SignatureA+yaBSvMZVGRduqpxVlaZubd3Tkx+zGKh6tfszb5J/uL7cvnpI0uPMzoPT4iqo5ZiNQYD5hhM/APPIxF+VYdDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:40.029493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085774
observed 0781ae86205d5d7fc5cded511fd24d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.012664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085774/manifest.json
observed fd7285bf7923e69a16a23a86568bd8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.996924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085774/publication.md
observed eb5d1daf00eba881a72e01a2f14cdec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.978441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085774/publication.txt
observed cddfd540db7ee62aa6f131e33028f289...
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.