OpenTechnical

OT-2026-000075984

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000075984) never changes.

Identity and time

Publication numberOT-2026-000075984 · never reused
Internal UUID01a0ae94-2a00-76d8-9fb0-344adddc63e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075984
StatusPUBLIC

Content hashes

Canonical textcaf8d9eadf8bd723f29bf317133812ad94da2d9d5ca035a3db30891a76b34872
Markdowne10bf0871d13b85883b49fb87e0951c3df57d92b21d678d1e27fbfc9d3b5a7fd
PDF
Publication page745ab7eb9bdaf6dc51a75510b365aab08d99e0c20f488e3bbdc93267ff564979
Manifestd7e127e4566500ee7942f089367a4bc1ae6154307044243df03ee62792024a37

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
SignatureemKZvOOidYfZfAx8HKxPZfzSeQ0pLTIbSAswx0TOC6huSCZOA3kMLhmV5fV6orc6D3BPccia7mqAM8o6YxmBDA==
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

2026-09-17T10:20:13.733794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984
observed 745ab7eb9bdaf6dc51a75510b365aab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.712031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/manifest.json
observed d7e127e4566500ee7942f089367a4bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.688118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/publication.md
observed e10bf0871d13b85883b49fb87e0951c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.667898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/publication.txt
observed caf8d9eadf8bd723f29bf317133812ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.035276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984
observed 745ab7eb9bdaf6dc51a75510b365aab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.015376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/manifest.json
observed d7e127e4566500ee7942f089367a4bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.995405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/publication.md
observed e10bf0871d13b85883b49fb87e0951c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.976605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075984/publication.txt
observed caf8d9eadf8bd723f29bf317133812ad...
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.