OpenTechnical

OT-2026-000089759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089759) never changes.

Identity and time

Publication numberOT-2026-000089759 · never reused
Internal UUID01a0ae9c-1a22-7edb-84b2-4063a4818558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089759
StatusPUBLIC

Content hashes

Canonical text5220a302824b5fdd2e543dbee3e505439264e536c0f452fe4376e92c89b9daf9
Markdownc8066faa7f17f1d30c1cb3d6dac263b1290f14eb725877c4358c2c7a26556704
PDF
Publication page9f15360ad6ffa684f4b3f4c50b77579f7c52b591f1679a43848e410c32f6d6b7
Manifeste778fe75c3a30437b8dbb6fc63948bce35d51aebd18cf69d1854698a02e220c0

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
Signature3Wbmj30rG9rIavUk9Hv5myf1qQ8aNJL3pMIVvtmn/VKZs2rAvZYarujMnSnXmV2VuwIemu5Sqz63OYFiRd3PCw==
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

2026-09-17T09:46:50.695491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089759
observed 9f15360ad6ffa684f4b3f4c50b77579f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.678742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089759/manifest.json
observed e778fe75c3a30437b8dbb6fc63948bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.660754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089759/publication.md
observed c8066faa7f17f1d30c1cb3d6dac263b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.644852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089759/publication.txt
observed 5220a302824b5fdd2e543dbee3e50543...
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.