OpenTechnical

OT-2026-000053540

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053540) never changes.

Identity and time

Publication numberOT-2026-000053540 · never reused
Internal UUID01a0ae85-0a92-7465-96ae-443713b540a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053540
StatusPUBLIC

Content hashes

Canonical textceefa23ac20449406e546067c1e0c0c566f49990f303d18624e9edca1f93164a
Markdown070197558bd5db6a3ca20f712647ef9bbfef29de777199c92d6c10c6fe4aaf62
PDF
Publication pageff2ed7cdd6399b990d95fe26429993ff8b401644fe8a30abf246ecc6a14b963b
Manifest10d44e3e5c44dba80a1946deb1be2cf8d6922216605cf3d520bf8c34229d70a4

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
Signatureh5oXVDdttyLVwOuYjcvRY/7u/BBknI75p9cNxZ792ejyCsQnzjq154oOrPIygRTD5KTEjpBLqmfAithocL7wCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:23.623476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053540
observed ff2ed7cdd6399b990d95fe26429993ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.607696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053540/manifest.json
observed 10d44e3e5c44dba80a1946deb1be2cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.591426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053540/publication.md
observed 070197558bd5db6a3ca20f712647ef9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.573908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053540/publication.txt
observed ceefa23ac20449406e546067c1e0c0c5...
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.