OpenTechnical

OT-2026-000071677

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000071677) never changes.

Identity and time

Publication numberOT-2026-000071677 · never reused
Internal UUID01a0ae92-1e91-7639-88d7-faf041e155ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071677
StatusPUBLIC

Content hashes

Canonical text9b82092aa8064a07ede49e540523878f18e0ba0deba4ca7d4d840c42af583eae
Markdownfa4449d7fd695eb73f9532345dda7183e2415c18fa32804642fab779faf7d900
PDF
Publication page4075f4ec3135ddbe337894d5337128bedf823b6152cf7f505602dd7afde04b74
Manifest4342ecb926b016fc11c603f2509064aab731fccd6e104a4692cf4a5379bbdd9c

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
SignatureZJIhMgxgYNkvnSPbsR2xs8GelTJYI/hkyl03hDpW3Tccjcy7F/r1U1eun8Wkghv4PR8a76JDQqNsjNORqF/WDA==
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

2026-09-17T10:23:42.984552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071677
observed 4075f4ec3135ddbe337894d5337128be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.957808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071677/manifest.json
observed 4342ecb926b016fc11c603f2509064aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.932507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071677/publication.md
observed fa4449d7fd695eb73f9532345dda7183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:42.908436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071677/publication.txt
observed 9b82092aa8064a07ede49e540523878f...
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.