OpenTechnical

OT-2026-000032657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032657) never changes.

Identity and time

Publication numberOT-2026-000032657 · never reused
Internal UUID01a0ae75-1070-7b43-8413-4b76d232e1a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032657
StatusPUBLIC

Content hashes

Canonical text7a069f85dcc2f6f50a1f3592a5e5406eef241468766febed43476524e4e73916
Markdown152fbe75f662054eac3c87a6785b59b6b0c6d22acb72fb88b95b458c4fc2000e
PDF
Publication pagec355ec934dffa755c19911ef369b99a22460709a8cf084486ce3819b4b20e597
Manifestb54269650d9bd71babe963751640fcdbced58f6aecdc2f9b4998d881ba6926b5

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
Signatureqzx0juxCymoTAXDdZob2WBV9x6ksflVToQjhHbLRwwBCOyl1qUzj1vfaAGNae7RfGDY3B9w5fDfd1DnHmGdtCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:15.195884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032657
observed c355ec934dffa755c19911ef369b99a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.176851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032657/manifest.json
observed b54269650d9bd71babe963751640fcdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.156968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032657/publication.md
observed 152fbe75f662054eac3c87a6785b59b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:15.139608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032657/publication.txt
observed 7a069f85dcc2f6f50a1f3592a5e5406e...
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.