OpenTechnical

OT-2026-000089943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000089943) never changes.

Identity and time

Publication numberOT-2026-000089943 · never reused
Internal UUID01a0ae9c-428d-73c5-af4c-a477d29c3893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089943
StatusPUBLIC

Content hashes

Canonical textdcc6207834cd9f6b98b2069619e56577f399e42d1e944aa025bb648c0ec1474a
Markdown2979f65fa3ebae4f4132b6dc37e8ad9e9d2895541596bae7afbaee8fbd3f847c
PDF
Publication page57ba8331ac270c17ce5ea898cebb29c268d8a49a957ccf8bf11d912053ed9fe5
Manifest733dc1850267eae0c2bbb3d8c5c873ff9b39a6340ea6074c2d6576c20f269263

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
SignatureYlg15T9CAlQl7oVl2Lq5bn9WZx/Cp1cvrGQxSFN09y+e+HoB/HPd51v5gZ/hwIrhEryhsuavnguIL9iHw1p0Cg==
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

2026-09-17T09:45:19.305613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089943
observed 57ba8331ac270c17ce5ea898cebb29c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.287711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089943/manifest.json
observed 733dc1850267eae0c2bbb3d8c5c873ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.269436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089943/publication.md
observed 2979f65fa3ebae4f4132b6dc37e8ad9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.252047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089943/publication.txt
observed dcc6207834cd9f6b98b2069619e56577...
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.