OpenTechnical

OT-2026-000097439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line 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-2026-000097439) never changes.

Identity and time

Publication numberOT-2026-000097439 · never reused
Internal UUID01a0aea1-55b3-7535-ae97-964cc3e8b969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097439
StatusPUBLIC

Content hashes

Canonical text9e3145ef6c7ad2a5a605825ed384bf1a6b79e401dd065e343e969799fadbc8db
Markdown56af626e43d8a9d606249f186bc264b9c75266b158523dbe725939e4fdda0ff3
PDF
Publication pagea1db64a536020a0a20f8b038ac0e28c72eec1c0cc0b236952c9f68fa9d913752
Manifest2044891353d57abc254617886caa6a762d17a7f50bbffd21748638ea99827a65

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
SignatureX4VQYba3wNwLosSC+YMAu0bOy1mSe3cX6tYi6QwsJBWh2LFyzEdPPTgqOHt6oNS+hkqNLz/Qi6ga4nHxUeMxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:17.923059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097439
observed a1db64a536020a0a20f8b038ac0e28c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.905847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097439/manifest.json
observed 2044891353d57abc254617886caa6a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.889701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097439/publication.md
observed 56af626e43d8a9d606249f186bc264b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.872072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097439/publication.txt
observed 9e3145ef6c7ad2a5a605825ed384bf1a...
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.