OpenTechnical

OT-2026-000076922

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000076922) never changes.

Identity and time

Publication numberOT-2026-000076922 · never reused
Internal UUID01a0ae94-b071-70d0-a9f2-74c654077b4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076922
StatusPUBLIC

Content hashes

Canonical text3ed0efaefcda826fba0e4cdac34d4aef1b99af0eb0c46143dc1dddfa92662b32
Markdown127372b0009d7699d597fe281af3e4d2d97f3eb3ce8d409b5178ad6bc0efe319
PDF
Publication pageef4d62918691a81ab73e60a763c425b7366417ca048dfe1252ff13440c88761f
Manifest7d76b574efd18088b31aa1a8f759f564b55f37b0f27fd817a6ccf1e462a85e8b

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
SignaturetQxx9EqcvuvAkpsH5V5x5cKqCA7Ne+tMdwUcCo55qSCFcg8r6LzY7EwUfbYc98PaiPs525vg0be5xXDM4ngfDA==
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

2026-09-17T10:09:51.701299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076922
observed ef4d62918691a81ab73e60a763c425b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.555540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076922/manifest.json
observed 7d76b574efd18088b31aa1a8f759f564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.535805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076922/publication.md
observed 127372b0009d7699d597fe281af3e4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.516015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076922/publication.txt
observed 3ed0efaefcda826fba0e4cdac34d4aef...
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.