OpenTechnical

OT-2026-000089125

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000089125) never changes.

Identity and time

Publication numberOT-2026-000089125 · never reused
Internal UUID01a0ae9b-db00-74ec-8c74-ce16bec7cb3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089125
StatusPUBLIC

Content hashes

Canonical text061f19b5566f6e893a0e4028ff2bbad7d4f0448e68921dcefa7fccdb498fc92b
Markdown5de41574228dfe7e7fcfc84b1db1ab5bfe2b4cec3c1dc31a6f9c8e410eeb0b30
PDF
Publication pageb9814715974c23f81476d995fff03d0e75c0d741ae3bc80656ae812eefc433db
Manifestf8d548b85e820b080b67225c674a01d9ce1a10527bdc46f0d15f1ef153e09e75

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
SignatureFNxeweXCQ3jQRk1LEALEbUl8Lt3xHMo4f+vmndEKUSU9KW9CizS60V9B3UuXNFuQpbR4eIeD6sTOQTWdvTGdBA==
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

2026-09-17T09:47:02.380121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089125
observed b9814715974c23f81476d995fff03d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.361910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089125/manifest.json
observed f8d548b85e820b080b67225c674a01d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.344809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089125/publication.md
observed 5de41574228dfe7e7fcfc84b1db1ab5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.325714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089125/publication.txt
observed 061f19b5566f6e893a0e4028ff2bbad7...
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.