OpenTechnical

OT-2026-000079496

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079496) never changes.

Identity and time

Publication numberOT-2026-000079496 · never reused
Internal UUID01a0ae96-0b91-7d7d-8b5e-4719a0f21353 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079496
StatusPUBLIC

Content hashes

Canonical textb3033169e016295f95470dc25176f09594087d55e90e1d9c8d741ec52f7ad002
Markdownf7068ef7bd9af0043234e72e1f3b4575ce1eb19a33a057940e68da1b0b73313a
PDF
Publication page736ee4bf02e425479f2b24c0f9cf484b20c1265d5a8fc5f429aad75830214efd
Manifest3513ebd3f3cfad1cfe9cab98ed4efcd0dd1fea2c4f01c9ed20c4eb2eb24d7500

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
SignatureR9/dS+MUm9QODN3cx05dqamsAFEiVLo7xIx2qDYExxdTxMSRfEu3PKnoHR/xDGGHwYCibB8esInEF0t/saCgAA==
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

2026-09-17T10:05:07.175488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079496
observed 736ee4bf02e425479f2b24c0f9cf484b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.158562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079496/manifest.json
observed 3513ebd3f3cfad1cfe9cab98ed4efcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.142553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079496/publication.md
observed f7068ef7bd9af0043234e72e1f3b4575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.127170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079496/publication.txt
observed b3033169e016295f95470dc25176f095...
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.