OpenTechnical

OT-2026-000037508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000037508) never changes.

Identity and time

Publication numberOT-2026-000037508 · never reused
Internal UUID01a0ae77-b8ce-76bc-b416-13ef70695825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037508
StatusPUBLIC

Content hashes

Canonical texte1f5dca8a05b62c44a1cd50190584b3ac31fd41eaedc521cca8a2cf12abef6a0
Markdown09614a34be6bd59c89e9f712163bd0e9e373e8ac923a8ddc82da8fb276f4b6a8
PDF
Publication page6e454d022439a6df087803dbb8662e7cac6883e2dfe23687109d0a8f9023ff28
Manifest776003f4a4863defe6d08dd8954d216bef939e6ea234f676fc61e764346769c0

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
SignatureG4OCYJCcPa0p2jp1tsEwXtgVSugwRxbLKQk0M/dcW6Q0L5CJgUe012sVV7DQxmgOgRgWF38HjN2Jvh0vBsGMCw==
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

2026-09-17T11:23:57.401790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037508
observed 6e454d022439a6df087803dbb8662e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.384101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037508/manifest.json
observed 776003f4a4863defe6d08dd8954d216b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.365914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037508/publication.md
observed 09614a34be6bd59c89e9f712163bd0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.350105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037508/publication.txt
observed e1f5dca8a05b62c44a1cd50190584b3a...
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.