OpenTechnical

OT-2026-000070036

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000070036) never changes.

Identity and time

Publication numberOT-2026-000070036 · never reused
Internal UUID01a0ae91-1861-7141-8f0a-1b9816f1a4d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070036
StatusPUBLIC

Content hashes

Canonical text54a8b99361a0f28e7fdb969a17b1bc248c8c585163ecb50c26394ca8a415cec6
Markdown41b75f626af1b83c0c4001fbb731daf24c793b0a2682593ea1ee858280140fa2
PDF
Publication page90d58bb2205fcaf4a0d901b4c7548638c47289431128721cf68f03843a122e9a
Manifesta2856d3e5dd9bc033763a660d750477ef2c389e003c6ebba16887640bba5b928

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
SignatureLAur/PGy3w7PnaXoX3PEHDDfTGaopElTqRpMp3Y+u8c1sh/f2kSU08l57GaMMK4nhY8BCwbaRrt4fqOPQ+qHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:59.444919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070036
observed 90d58bb2205fcaf4a0d901b4c7548638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.425438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070036/manifest.json
observed a2856d3e5dd9bc033763a660d750477e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.406892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070036/publication.md
observed 41b75f626af1b83c0c4001fbb731daf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.387452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070036/publication.txt
observed 54a8b99361a0f28e7fdb969a17b1bc24...
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.