OpenTechnical

OT-2026-000008196

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000008196) never changes.

Identity and time

Publication numberOT-2026-000008196 · never reused
Internal UUID01a0ae6a-908c-7fab-8277-688fa05ba2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008196
StatusPUBLIC

Content hashes

Canonical text489fc762907ce8982ca9e21052288b4f4697c13a074ef82e8b85171e0fb4fd49
Markdown68772206f0e6bd4f68f9cd47bb5b33ba2d1976f07371669599ef476519624d45
PDF
Publication page5bb057c373e8825e65eebf05c0502f559ecc946638ddf8f747590db710bc5323
Manifesta1f2ecb2509f884f96cb3fc56f3c6c4218eefec42e72391dc855d20d5512bf9a

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
SignatureZGiafQlcYeqZkHUgd2oxBIgwBTFwp/wR1/wmH2OFWgBOYQta7EEgmQtshc5AXjPRxvIGYOmHHr2sx5EypxsjDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:35.683837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008196
observed 5bb057c373e8825e65eebf05c0502f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:35.537945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008196/manifest.json
observed a1f2ecb2509f884f96cb3fc56f3c6c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.986843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008196/publication.md
observed 68772206f0e6bd4f68f9cd47bb5b33ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.968334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008196/publication.txt
observed 489fc762907ce8982ca9e21052288b4f...
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.