OpenTechnical

OT-2026-000073216

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000073216) never changes.

Identity and time

Publication numberOT-2026-000073216 · never reused
Internal UUID01a0ae92-efb6-754c-a5f4-4c864fa6deca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073216
StatusPUBLIC

Content hashes

Canonical textb3b94425e228745294e7550a5d0e715c29a061f835d0666b2980eee4f074fd12
Markdownc611b186e957ae8769227702016a92234b864ca4a7d0a26868cff60af2e4669c
PDF
Publication page3f0fe8b6801443d4975b912b2e3f3ea1865c61ac912ca12f6208a86f1c6594c1
Manifestbfb783995cbb5b2127ea67bd4e6b726f861e0695372fbfe86139c25645ace74a

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
SignaturebRe06Jk//aOERK1dR8S4OsTmpnaG59ODu5xKnDhcWRVrJM4N+MOb3WZrVOR1Yy6wObuilcXXl0V9e9jWeXAZCg==
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

2026-09-17T10:21:11.348295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073216
observed 3f0fe8b6801443d4975b912b2e3f3ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.329459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073216/manifest.json
observed bfb783995cbb5b2127ea67bd4e6b726f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.278656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073216/publication.md
observed c611b186e957ae8769227702016a9223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.230572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073216/publication.txt
observed b3b94425e228745294e7550a5d0e715c...
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.