OpenTechnical

OT-2026-000075738

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000075738) never changes.

Identity and time

Publication numberOT-2026-000075738 · never reused
Internal UUID01a0ae94-29fe-7461-a39a-0294707f4751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075738
StatusPUBLIC

Content hashes

Canonical texte60e77b5abb6736f363f1c85405124f69176f9520e82ecc80eee6cf2ff6308c3
Markdowndfa86d0fcb98605f23b652030381f73a8d8ac6472ea73617c118bc65b1539696
PDF
Publication page7d9215c7023a09359ab1376dd908483d0575cef333303d29ca45466b1210002d
Manifest6d95df15436ef3d34d55aadccd808212f4087d47de66646f5576c70b91da8420

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
SignatureSWIHuWWwYI4gr7xDzABxkPOA8g8SqeQ7gOKTxS42NJBDf/2TarQYjwTHKX33MU/6YD5n8uNjIdMOH/gWLD0RDg==
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

2026-09-17T10:14:03.705226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075738
observed 7d9215c7023a09359ab1376dd908483d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.562613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075738/manifest.json
observed 6d95df15436ef3d34d55aadccd808212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.544789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075738/publication.md
observed dfa86d0fcb98605f23b652030381f73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.525374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075738/publication.txt
observed e60e77b5abb6736f363f1c85405124f6...
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.