OpenTechnical

OT-2026-000015534

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015534) never changes.

Identity and time

Publication numberOT-2026-000015534 · never reused
Internal UUID01a0ae6d-ef4a-7a0d-84f9-f03559d2c1e5 · 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-2026-000015534
StatusPUBLIC

Content hashes

Canonical textffe10ce5cce8ab01b6424f060671af9c17c2a893437d85afef39f8ccde2995bb
Markdownb8a62f8f24060e85ffff86f23e2661d144fef086c949f60b3a320194a4f0fe50
PDF
Publication page354106ce15f6308bbf71e69d1e8e3ef7118affb0bb50acf9432ec3a21f53e9ef
Manifest09754a060ecdcbab5f6fa18f3560b91893ec57e6f43254f3fed3bfbe8168a071

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
SignatureIqbw4QOjbFHMloY+U1W824EYPp8ItKAQF5hw14A/kGjhpBaTsOhSvmTO3IoDeedMA49NF1kWs82KeMxszt1CAA==
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

2026-09-17T12:06:18.802529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015534
observed 354106ce15f6308bbf71e69d1e8e3ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.783663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015534/manifest.json
observed 09754a060ecdcbab5f6fa18f3560b918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.763878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015534/publication.md
observed b8a62f8f24060e85ffff86f23e2661d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.744160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015534/publication.txt
observed ffe10ce5cce8ab01b6424f060671af9c...
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.