OpenTechnical

OT-2026-000022867

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022867) never changes.

Identity and time

Publication numberOT-2026-000022867 · never reused
Internal UUID01a0ae70-46eb-7aba-8cb1-288d55cfb8ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022867
StatusPUBLIC

Content hashes

Canonical text547dac8ee4414c597b92ccdc820840975c0303e1aec10b2c2df7ea578f3dbd33
Markdown90be8847f791c99c38ae3dc5bb739b7b11fd03b6950e40687a64279b05220843
PDF
Publication pagefd22cf71bc3f23af562323e2d939566b1a7884cedde7b9c0676a4b1945a0e0fd
Manifest3b363a66c8b9debd1382317c98427a96b4d32357fd360cbd84fdd778a7aa184b

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
Signature/WNqpadxeW3X/I3uSqmmST81nQijdbWloTB9yCxw8EOgziInY7P/o99Z2CH4q+vSnz+Q8ZAvJtH0MEBkzGaWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:24.597714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022867
observed fd22cf71bc3f23af562323e2d939566b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.579463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022867/manifest.json
observed 3b363a66c8b9debd1382317c98427a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.562931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022867/publication.md
observed 90be8847f791c99c38ae3dc5bb739b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.536951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022867/publication.txt
observed 547dac8ee4414c597b92ccdc82084097...
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.