OpenTechnical

OT-2026-000089689

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089689) never changes.

Identity and time

Publication numberOT-2026-000089689 · never reused
Internal UUID01a0ae9c-1a22-7e16-9c82-2fd75b1c47d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089689
StatusPUBLIC

Content hashes

Canonical text9546f0ddae325b4e6e65399bd3d073bd1597811004eb1fd269ed24723cbefbb9
Markdownddb5033990a30bb1b914d3a0a7f9657ec15c10cb658f47a3a194117099ac3fbc
PDF
Publication page0e6a6132e0f114b6369cebede1f91e40464e51ae3877376b2890356b70c0f035
Manifesta7ab3fc2cae39e5ee802e4058d4b371ca458ff4e6103b7f2d42bfc310f087c29

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
Signature3mn7b+Pvfsnj/NYkzz02AORl64xQKBB09k/FqJh2vZxhhzuu8AFoFPOaZrYo6dS5ERg0q2s/IBz/6fZEsYwCCw==
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

2026-09-17T09:46:41.274616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089689
observed 0e6a6132e0f114b6369cebede1f91e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.256880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089689/manifest.json
observed a7ab3fc2cae39e5ee802e4058d4b371c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.239646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089689/publication.md
observed ddb5033990a30bb1b914d3a0a7f9657e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.222378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089689/publication.txt
observed 9546f0ddae325b4e6e65399bd3d073bd...
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.