OpenTechnical

OT-2026-000005088

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, pressure verified, contact triggered

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-2026-000005088) never changes.

Identity and time

Publication numberOT-2026-000005088 · never reused
Internal UUID01a0a92d-79b0-7c54-bb8a-b7d389f8eaee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:24.915652Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005088
StatusPUBLIC

Content hashes

Canonical textb9bc83c1a23b3ff5fe8e6836db3c3d2f8a0583315a6995691273216fb9c2d393
Markdownf08509f9f8f1c118eb129c61611e88a96df711f0368fba1e0df89e11d7ac0686
PDF
Publication page81be8d3f9d07eeb8fe86dcced691085b6f996c49e3878213d20934203c8bd713
Manifestbd17945a3a0cc1ae8b5a24945bc8da3b6ec445d867dc872da2af727b533cfdd8

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
Signaturevd5zapsv9zU9CxeuJsDS2kfg++WORfmBxvXmThIX5l0/Z70TCKe9RznKiv7aSz/Gkknsr9/v/RYkhdPl0XdxDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:16.878061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005088
observed 81be8d3f9d07eeb8fe86dcced691085b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.743893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005088/manifest.json
observed bd17945a3a0cc1ae8b5a24945bc8da3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.730699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005088/publication.md
observed f08509f9f8f1c118eb129c61611e88a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.719471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005088/publication.txt
observed b9bc83c1a23b3ff5fe8e6836db3c3d2f...
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.