OpenTechnical

OT-2026-000080325

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000080325) never changes.

Identity and time

Publication numberOT-2026-000080325 · never reused
Internal UUID01a0ae96-7e77-76e4-98d7-cde53a02fa2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080325
StatusPUBLIC

Content hashes

Canonical text31268bb19bc40a96c044e520673d9891f5c8057a9e26e5ba9c39a104d9024df3
Markdowncae2a6e3d48c2b82905c09a7187f12625e3dd8df8dbcc637f8d3bc5ab2c260b2
PDF
Publication page9cb8086e6e566f73252723dcb1a387852dbb271793e4200321829379cf848a47
Manifest1183d93c5ddf29c0ad7ca2d9fff29d29e6754ac898c696512bfad7ccc388b627

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
SignatureVD8lJ+sxmO7i7iHToVzn/Oc6ogR8pv2UQbbaYtgGRCaHebLWg4s8yoYcx5nFu0v4ZY1zUw35mCzYKNjtDbniBg==
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

2026-09-17T10:02:48.010354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080325
observed 9cb8086e6e566f73252723dcb1a38785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.992904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080325/manifest.json
observed 1183d93c5ddf29c0ad7ca2d9fff29d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.970804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080325/publication.md
observed cae2a6e3d48c2b82905c09a7187f1262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.949721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080325/publication.txt
observed 31268bb19bc40a96c044e520673d9891...
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.