OpenTechnical

OT-2026-000086502

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000086502) never changes.

Identity and time

Publication numberOT-2026-000086502 · never reused
Internal UUID01a0ae9a-2c97-752a-afa5-0f653fb655ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086502
StatusPUBLIC

Content hashes

Canonical textc1670023f0c4baaa1ffe03becfdbc1d4d8607ed7c6140f271b9462beae6b07dd
Markdown53fdb505c76038146c57bc0918fe1ab79e8a990e45a4cdca65bba4321c9868f3
PDF
Publication page7e48a53cec43084b0510dc28e77e20c71155e9340e9bd8d9b3b29da54d5d961d
Manifest619fd227234df5cc08c43c17266bb243f54949d704ab634db5d4effb6466ab06

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
Signature/t48VaWGNbjoOkMoRMgcLa+l1b22nmEV/PI4l/c52R/TaIhy09N4u0jkecNJJSv/fyiR4x2eqJJsSzmgLxUTCw==
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

2026-09-17T09:52:19.221103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086502
observed 7e48a53cec43084b0510dc28e77e20c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.203293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086502/manifest.json
observed 619fd227234df5cc08c43c17266bb243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.134179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086502/publication.md
observed 53fdb505c76038146c57bc0918fe1ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.089354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086502/publication.txt
observed c1670023f0c4baaa1ffe03becfdbc1d4...
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.