OpenTechnical

OT-2026-000041023

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000041023) never changes.

Identity and time

Publication numberOT-2026-000041023 · never reused
Internal UUID01a0ae79-b10e-7e9b-8d54-371e014dbd2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041023
StatusPUBLIC

Content hashes

Canonical textc3204a8c6f4eb87d6d98a30371bebd05ad292b5697e9c7ce422ea41798e16504
Markdown768e22299cd5889ab570c50904e7922f30d26a8cabeec8a2b124f759771ecbc6
PDF
Publication page657a083e7c0505b8372599a2d112598fbe24cf44027c880ea1d8bedccdd04573
Manifest48d76e3d9a7e216e01e887dcab89e5d7fb3dbf3bcfc45f24b78500790b7986b9

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
SignatureYg43WqguGzuaxD7vZtV9Ruv2U/c4zvJ1oz/z0IyEFah/3F4H2h88vt8gWHi8BYSN3yBg7pY8Phgh2Tqhb1HUBA==
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

2026-09-17T11:16:55.831665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041023
observed 657a083e7c0505b8372599a2d112598f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.814836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041023/manifest.json
observed 48d76e3d9a7e216e01e887dcab89e5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.799210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041023/publication.md
observed 768e22299cd5889ab570c50904e7922f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.783055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041023/publication.txt
observed c3204a8c6f4eb87d6d98a30371bebd05...
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.