OpenTechnical

OT-2026-000076618

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076618) never changes.

Identity and time

Publication numberOT-2026-000076618 · never reused
Internal UUID01a0ae94-b06e-7e96-8575-13e736f836d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076618
StatusPUBLIC

Content hashes

Canonical text65b65b0483095cba9e54139a9dd2f0c82ccac7b7f3ff10dd05c0072feb638358
Markdown16912754ae8d06df0e0e56e2707b96434ee8c75b7d2e2f5cb7fe12c33a98619b
PDF
Publication page266e2c501d6bf48909e2a25114564812ca61a97288c7acd59fc529823fe6994e
Manifestf4b3fbfa39652d73f0df881fe1fc21c8ada431c43e41298490bba057b99dc049

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
Signature0eiXTM2jDUnD0M84uiNUS7fYaxnpPTGaT/JzMNFr4lCXZSNXU1gvgPa2hV3Ir5CsKceobDgP534vZKR2C4WZAQ==
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

2026-09-17T10:09:20.760646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076618
observed 266e2c501d6bf48909e2a25114564812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.742090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076618/manifest.json
observed f4b3fbfa39652d73f0df881fe1fc21c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.720757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076618/publication.md
observed 16912754ae8d06df0e0e56e2707b9643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:20.699655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076618/publication.txt
observed 65b65b0483095cba9e54139a9dd2f0c8...
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.