OpenTechnical

OT-2026-000056470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000056470) never changes.

Identity and time

Publication numberOT-2026-000056470 · never reused
Internal UUID01a0ae87-7af4-72ed-a19c-454a43d7c554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056470
StatusPUBLIC

Content hashes

Canonical texta818ac8b36e4040bb43be6e829320dbb4f1ac0fad2b41408d3c1bc302a2761cb
Markdowna03747735e424bc3b20e1ff5f7eb52f8f223576514c38f36cff5d30f527df1c3
PDF
Publication pagef2763c5deae957a360ae3aa6a6efad9744e8023d55c2558c4b5217acb3c243de
Manifestf5c811a5b9984a7db3e1834653795bee705223859be3e5c2bc881b66f987af27

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
Signaturej307b9nJFxvhm2XlFCGVyiSBthugvv+dnw7JG8NHiCP058WGkrHT4yYShzIw1ioe4d2M7fFwDqdRH2sL8B+DBA==
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

2026-09-17T10:49:46.527947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056470
observed f2763c5deae957a360ae3aa6a6efad97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.507986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056470/manifest.json
observed f5c811a5b9984a7db3e1834653795bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.491467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056470/publication.md
observed a03747735e424bc3b20e1ff5f7eb52f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.471988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056470/publication.txt
observed a818ac8b36e4040bb43be6e829320dbb...
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.