OpenTechnical

OT-2026-000056779

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000056779) never changes.

Identity and time

Publication numberOT-2026-000056779 · never reused
Internal UUID01a0ae87-7af7-744f-ac7e-937cee08f907 · 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-2026-000056779
StatusPUBLIC

Content hashes

Canonical text54c658484627d8fbb00775a4e8b0be9ad2248a03204256228b312f18b963711c
Markdowna1becff3705bc2cb5b98e7c4e724fba34afab7ec6c4862bee25a18daefe3d683
PDF
Publication page27698c754914019a0afa2d8cf9a54dcea2530dc94c8eb3f9f62d936e35fc2334
Manifest214aece447752793f08dac1cc17c50acc28a2b690497f6fe06584865d160fd3f

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
SignaturecGceqHCBGcrMgBSs8PAKXAvCHbnDZ6VF4w6VO58dlv227p3XSb6Tgv/YIp2Yk3UhDgSTi69bzD5v8ZpBfc9HDg==
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

2026-09-17T10:50:15.303802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056779
observed 27698c754914019a0afa2d8cf9a54dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.287654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056779/manifest.json
observed 214aece447752793f08dac1cc17c50ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.270130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056779/publication.md
observed a1becff3705bc2cb5b98e7c4e724fba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.253898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056779/publication.txt
observed 54c658484627d8fbb00775a4e8b0be9a...
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.