OpenTechnical

OT-2026-000034230

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034230) never changes.

Identity and time

Publication numberOT-2026-000034230 · never reused
Internal UUID01a0ae75-df0d-76a9-b911-e8493992fa89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034230
StatusPUBLIC

Content hashes

Canonical text44e1c7958a10d1168be2d2c20938615b24e624031d2820b23cf06a0ab57d679d
Markdowne7072b06cc5460b71d507afb2e2231ac55b780387e95eae45fe6fd07e1d7b75e
PDF
Publication pagef61be43c8aa5deb5972cdc414f2bc3f7478293e19bf6ce688193cf60ac2d578a
Manifest7d2ac9176fc9e352ce1e52051174a178b3c20c77ebc8c5ab4a09827c919d33db

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
Signature1gPufeQcMmdCOO6p6H4C59YNa0Eu92zD7/poedf/kTIITiZ4KWXVFMOElZzdSWHzNnzs3WVm/JItqlvnAESaBw==
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

2026-09-17T11:30:46.936564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034230
observed f61be43c8aa5deb5972cdc414f2bc3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.920502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034230/manifest.json
observed 7d2ac9176fc9e352ce1e52051174a178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.904386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034230/publication.md
observed e7072b06cc5460b71d507afb2e2231ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.888497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034230/publication.txt
observed 44e1c7958a10d1168be2d2c20938615b...
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.