OpenTechnical

OT-2026-000054902

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000054902) never changes.

Identity and time

Publication numberOT-2026-000054902 · never reused
Internal UUID01a0ae86-1286-76f0-94cf-9989ed47670e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054902
StatusPUBLIC

Content hashes

Canonical text873d19646e5b190e8c6324834861d15bcd53b95ec9fe5ee16d4de83516f09d6d
Markdown779f7d2ff7ce60a8695db12f0cc271712fe23024feeddcd6ddc8c9825b69efcf
PDF
Publication pageb58a2440b83bfad166c645e7322f320e33f7a106058c58df9f89ce04a193269d
Manifest1a954cd3f129cf10d04bfbf232533930f23ab704935494327bd6fd8d4412d38d

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
SignatureHgzlaHUHfEUlDpau3KmdaUCFyIniZP58WbaEPaO0gWiKpYXJCsjXFyArICO+/oerPBuZB0kIDFyB5vHlxz8UCQ==
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

2026-09-17T10:54:07.931222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054902
observed b58a2440b83bfad166c645e7322f320e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.912440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054902/manifest.json
observed 1a954cd3f129cf10d04bfbf232533930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.892864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054902/publication.md
observed 779f7d2ff7ce60a8695db12f0cc27171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:07.874240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054902/publication.txt
observed 873d19646e5b190e8c6324834861d15b...
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.