OpenTechnical

OT-2026-000061310

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000061310) never changes.

Identity and time

Publication numberOT-2026-000061310 · never reused
Internal UUID01a0ae8b-1384-787b-a880-53bf810f4834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061310
StatusPUBLIC

Content hashes

Canonical text0693f49862061dc5bade2fe40bc4a99a926ad1051f0c09c51052efbe59377532
Markdown90cf0d698f056af676288c1e579fcce8b4700ddda18f34bbe43dfa2b5fef4be9
PDF
Publication page567bb5d0dd58ea150940eb2d48481e2b5495118cd61e0bccd94dc53557c3a15f
Manifestb10d0227887e60ce87ca17b48c462b56606e6b9e8e1c6ed03f2f0b8ab572fc7a

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
SignatureJHjAxjnwWKe3Qziwk4X0gYCRfBti0kbV3W5rhMtyZvC6YDahPPtW466KKLzA6v+yvmytZHNI92h4HW4tg9yRCg==
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...

Independent retrieval

2026-09-17T10:42:44.587102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061310
observed 567bb5d0dd58ea150940eb2d48481e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.568229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061310/manifest.json
observed b10d0227887e60ce87ca17b48c462b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.543087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061310/publication.md
observed 90cf0d698f056af676288c1e579fcce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.515417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061310/publication.txt
observed 0693f49862061dc5bade2fe40bc4a99a...
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.