OpenTechnical

OT-2026-000037540

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000037540) never changes.

Identity and time

Publication numberOT-2026-000037540 · never reused
Internal UUID01a0ae77-b8ce-713b-830c-8d6284eeb641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037540
StatusPUBLIC

Content hashes

Canonical text0b557fdd2ac67c68afaea2788bb21ef1d4753917019d20b8729f8d3eeac95c32
Markdown0c4b522e15df4878b69800764797895250142ada14624f143778c75b6797d432
PDF
Publication pagef9228be68c535c40098c8926af9c1cb134ef084442cb0e7b15276e9d7489a729
Manifest31970829c2cd63670cafe7d9d6b50cbe584bf7f83630b3ee1957133f0e1e232d

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
SignatureOK1U9gzrGMWRWLTWfGqqT+dAKSucbYmR2axppBEyv66SmWIGMCNBR98QgwabC7Nzh3cOwz78igqvSnicrf60BQ==
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

2026-09-17T11:24:04.871444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037540
observed f9228be68c535c40098c8926af9c1cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.855926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037540/manifest.json
observed 31970829c2cd63670cafe7d9d6b50cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.839252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037540/publication.md
observed 0c4b522e15df4878b698007647978952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.823553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037540/publication.txt
observed 0b557fdd2ac67c68afaea2788bb21ef1...
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.