OpenTechnical

OT-2026-000015359

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed 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-2026-000015359) never changes.

Identity and time

Publication numberOT-2026-000015359 · never reused
Internal UUID01a0ae6d-ef49-74eb-9f51-bb2af8eeed91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015359
StatusPUBLIC

Content hashes

Canonical text5f8c47dacccaa9647e23e68145d1bc620fbc6ac8cfb5b19aef151395303f1c74
Markdown1f485906cdc9861f4e5e3029b6a61d101fe5f5c6023932ee3e616d8966883830
PDF
Publication page5de22b3fed30e5199b346e505e807b617b519254da824bd1f9d13de5e32bca3d
Manifest33a5fb0b49805bd97d94621064becfa14f8c1448673247a0f83ee18816607e9a

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
SignatureQS3pkMIuiVdOk1r52slggWOzgmSebvK2q++Rfee0HwC2eCimc64DaxgdzWI14tygAvXfRPa9/0ao6hVVM3NFBw==
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

2026-09-17T12:06:04.102962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015359
observed 5de22b3fed30e5199b346e505e807b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.081116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015359/manifest.json
observed 33a5fb0b49805bd97d94621064becfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.059223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015359/publication.md
observed 1f485906cdc9861f4e5e3029b6a61d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.039152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015359/publication.txt
observed 5f8c47dacccaa9647e23e68145d1bc62...
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.