OpenTechnical

OT-2026-000084137

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000084137) never changes.

Identity and time

Publication numberOT-2026-000084137 · never reused
Internal UUID01a0ae98-5b5f-7fa2-92ee-b16d917ff7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084137
StatusPUBLIC

Content hashes

Canonical text0c2ce742f47415acd3025b58ec780e242b53d76e9695d779e8955868e6643830
Markdown23b39bb74aa4972b945b8e7afd3441b0063fc5a328e3ec04a6c7f6465ce3a41a
PDF
Publication pagece8fedc6b2de4c680cd41387e40533ca603ced21828ac72fe4f66810113b983e
Manifest66792018574703b561214e0fa6a5adb54d4daab9297add8b9016c27420dfc659

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
SignatureoyZp7xBu6XP9BtPtPDiABg8UL0YFO3XD5KE+botIlPl6YQBSFZQIpuJalkIz82mHFqluxBrgNpBzLoKLlfY8DA==
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

2026-09-17T09:55:54.149862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084137
observed ce8fedc6b2de4c680cd41387e40533ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.129812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084137/manifest.json
observed 66792018574703b561214e0fa6a5adb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.111507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084137/publication.md
observed 23b39bb74aa4972b945b8e7afd3441b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.094473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084137/publication.txt
observed 0c2ce742f47415acd3025b58ec780e24...
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.