OpenTechnical

OT-2026-000022802

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000022802) never changes.

Identity and time

Publication numberOT-2026-000022802 · never reused
Internal UUID01a0ae70-46ea-7c19-a7f3-ab94ca1f76be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022802
StatusPUBLIC

Content hashes

Canonical textd5b7b18a1dc02867bdb8c4e19139d7278abda85d31f09e49d4c49f1eec0b9f85
Markdown57d6a6db20ed1ce9c3c712620c15f74fd5575015a34288946e1915f57df8889a
PDF
Publication page8243033b57fe8268eaaf445a416a2fdf286acbe95e98dba771e1630e380f637a
Manifestc45a607279772ada07c253743050502cb943dca6561657be5b72992f1a46e111

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
SignaturexRUAnnp2LUngFHtrMVRxcWf/qq0v0Z3szRkkAWUVxcq8j7chl8R3gEaZ5cPTsOpfLsNVpeEPHaR2VcTIBx0SCA==
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

2026-09-17T11:52:19.608392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022802
observed 8243033b57fe8268eaaf445a416a2fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.591267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022802/manifest.json
observed c45a607279772ada07c253743050502c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.571133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022802/publication.md
observed 57d6a6db20ed1ce9c3c712620c15f74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.552372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022802/publication.txt
observed d5b7b18a1dc02867bdb8c4e19139d727...
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.