OpenTechnical

OT-2026-000082834

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000082834) never changes.

Identity and time

Publication numberOT-2026-000082834 · never reused
Internal UUID01a0ae97-8cc9-70ac-92bd-528a6216fb5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082834
StatusPUBLIC

Content hashes

Canonical text9223223a579926da4fa26f0bd44d6f483bf97d566c15c3a032b5e1751e0d5723
Markdown91a64d33d01db7d79857ce5ae3cab2c833bf1f09b1740ab410ba1be25d955ed8
PDF
Publication pageb4456cfd0a94117d450bf50f9dc2c77142280bb7af06481fe8ffe4590ebb8e1e
Manifest266ebce59e3896d38f7fc24282bd96c2e3ae32c6834fe890b375c4e11998e8f0

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
SignatureQoDEeogPvbHd9JhOVSapMfjXHAywk+v12sBgfpeYSViQTOKgsnIkoeImUDy6ZV/8UbK7a7dzRMDA33ppoHhAAA==
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

2026-09-17T09:58:30.378526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082834
observed b4456cfd0a94117d450bf50f9dc2c771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.360509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082834/manifest.json
observed 266ebce59e3896d38f7fc24282bd96c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.343953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082834/publication.md
observed 91a64d33d01db7d79857ce5ae3cab2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.326409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082834/publication.txt
observed 9223223a579926da4fa26f0bd44d6f48...
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.