OpenTechnical

OT-2026-000079850

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000079850) never changes.

Identity and time

Publication numberOT-2026-000079850 · never reused
Internal UUID01a0ae96-4376-7e57-b6ef-33cc27fff124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079850
StatusPUBLIC

Content hashes

Canonical textbaa7f644e4e1714d15aaa456910933afa9da53e4c8cfc6988bd704a865e038aa
Markdown8ee5e65715756f4fabecf204300e8f9b431f0eaf4856f726cfaa3806531be83a
PDF
Publication page5a37407d47dac3c98bf45a35b45084178c4fb9daf1779dbf68337df633e0a5c3
Manifeste95be8242ad95c7734c2d3d961ee159cb54164b2253f010d274074f2fedc483d

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
SignatureYQwS31u7QU6yMxiZdgCCamxEMeBuzp5cAcs+XWEQ4Ofckr4j9aSERtsxbA2kbIg1odwJM0e0WD1/PSBcPA5nCQ==
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

2026-09-17T10:03:44.289841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079850
observed 5a37407d47dac3c98bf45a35b4508417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.270449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079850/manifest.json
observed e95be8242ad95c7734c2d3d961ee159c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.249502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079850/publication.md
observed 8ee5e65715756f4fabecf204300e8f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.231054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079850/publication.txt
observed baa7f644e4e1714d15aaa456910933af...
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.