OpenTechnical

OT-2026-000078662

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000078662) never changes.

Identity and time

Publication numberOT-2026-000078662 · never reused
Internal UUID01a0ae95-7c2a-7813-8983-e62755ebc3ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078662
StatusPUBLIC

Content hashes

Canonical text49db9bb5bade85dfd7728693e6a7b5c76329828c7cf64aed20524fc7ea4903a3
Markdownce83b7ec5fcd2b35ea6ac6d9ab675c996bba208a150b29651496ac0a7171c7d2
PDF
Publication page203dc21e161bb3fa8b500e0611a49fffd55891b69c632e40ceab5c4fbf594a7d
Manifestba535aafc37c22aed7c89ef89407cbb3b4f16fb6687d474c50dc28209ffda0bf

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
SignatureWSXK3DC8iWPh6x4ACns63mSQR5P9r209w1l7IyWcOeXANYVwuOsF/t4HMvDjdayXkYPk/b/yY12HNMDvbldqDg==
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

2026-09-17T10:06:41.079299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078662
observed 203dc21e161bb3fa8b500e0611a49fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.058985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078662/manifest.json
observed ba535aafc37c22aed7c89ef89407cbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.038557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078662/publication.md
observed ce83b7ec5fcd2b35ea6ac6d9ab675c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.021200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078662/publication.txt
observed 49db9bb5bade85dfd7728693e6a7b5c7...
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.