OpenTechnical

OT-2026-000027769

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027769) never changes.

Identity and time

Publication numberOT-2026-000027769 · never reused
Internal UUID01a0ae72-a4a4-76dc-81aa-3ad88ad30cbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027769
StatusPUBLIC

Content hashes

Canonical texte53080a33cfbe3c9540a0754ec060bdc158cc452c3e633464537db4bdf6c97ac
Markdownfc76cf8b9ad1df1ba408fdf117662ff35a2b35c994170a710dd539c9e8023f4e
PDF
Publication pagebff23a71150a3e445be25c63aff3e7c58c48eea42f47eb29e1d5be5c01711b43
Manifest8e5cf864b1517241ae2acc38c7af1176554585286b3d72e4a490917187189aaa

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
Signaturewek3afVrB9DihSkdCef68vcLxO2fEzkI8L6eiiVISSQRYQf1bwD5FPetgvmvXTt8rHht9KzaWoVrPjdg6TJ3Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:41:48.740536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027769
observed bff23a71150a3e445be25c63aff3e7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.723066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027769/manifest.json
observed 8e5cf864b1517241ae2acc38c7af1176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.700069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027769/publication.md
observed fc76cf8b9ad1df1ba408fdf117662ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.681220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027769/publication.txt
observed e53080a33cfbe3c9540a0754ec060bdc...
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.