OpenTechnical

OT-2026-000100755

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100755) never changes.

Identity and time

Publication numberOT-2026-000100755 · never reused
Internal UUID01a0aea3-66f4-7e2b-a191-dbd0350324c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100755
StatusPUBLIC

Content hashes

Canonical text47cb9a4c33ac839578f2fca15f163409dec56ff9202db5293a67f9978960e6d7
Markdown7e46510f40b99d0f18b6152d85203f8204844f4eb08c0ef6b825a01d8e20d1e8
PDF
Publication pageb4f8f4821c72fcafedc2ea97239f0692bb906906668353dcd975038675bc71a8
Manifest11e3ec42221ccfe5927c045e9b3b8a28f4245934864cfcc9e8cb677fc241e9e3

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
SignaturelFsdnPldd6BZYkNTNPq+DHe8XsE05XgDJHKUCHg5t6zgmYU8Lb4ocWeXzEQuAUwjlpg5TixTFAhsWcZyrGKaBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:35.493180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100755
observed b4f8f4821c72fcafedc2ea97239f0692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.476750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100755/manifest.json
observed 11e3ec42221ccfe5927c045e9b3b8a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.460613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100755/publication.md
observed 7e46510f40b99d0f18b6152d85203f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.444120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100755/publication.txt
observed 47cb9a4c33ac839578f2fca15f163409...
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.