OpenTechnical

OT-2026-000080898

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000080898) never changes.

Identity and time

Publication numberOT-2026-000080898 · never reused
Internal UUID01a0ae96-b975-79d1-9e58-05291f4d8157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080898
StatusPUBLIC

Content hashes

Canonical text8b9c636ece6c884fc8f0dd17defae6a7126118f04bfdd424ed059791087ffb0e
Markdown89ba19cd5f0d8dac4c98a38a85086b8aef7317465d02772021badf0284ec7bed
PDF
Publication page455a9afb48a892ce6870dda8b72f3089602df8a0a4d013d8249d1a02f162fd03
Manifest3573689e7ebbdd5075f39fb7dfde36734994482b6c4ca2f0a5c1ab643c92d5ae

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
Signature8Nre3E778SEeP90dcUsHefOMi32htttahDs49q34jUiC4r5lb8tU7co9nWrQ/1gVf0cghYjnh0TS8xp5nF1LDw==
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

2026-09-17T10:02:05.992909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080898
observed 455a9afb48a892ce6870dda8b72f3089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.976146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080898/manifest.json
observed 3573689e7ebbdd5075f39fb7dfde3673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.959384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080898/publication.md
observed 89ba19cd5f0d8dac4c98a38a85086b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.941831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080898/publication.txt
observed 8b9c636ece6c884fc8f0dd17defae6a7...
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.