OpenTechnical

OT-2026-000063347

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000063347) never changes.

Identity and time

Publication numberOT-2026-000063347 · never reused
Internal UUID01a0ae8c-f943-72c7-a103-4503a6153560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063347
StatusPUBLIC

Content hashes

Canonical text280c6ee2dcbf50c31dab8345d639ec903b2f1aed686a0369bc0b8f9e5f146838
Markdowna2fbc20866903691ec325989e9fe3fcaff16ad0f18446a2ba73256ab0f6df730
PDF
Publication page7baab546fae19afc66d18fbea958c7a183769485fbde961fbce440bc1eafe5ce
Manifest83e6ae67794a538d7577e15ff2f0d7fff262789b4924f141dbcd1e49d7fe8181

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
Signaturef/dvyddFsqHYdemXo6tboZ5Tytc3h0qMdD87JD1RSVZESGVQYK8D6UaP3Y0u66zLC0xQGpk1bpNq8x0CwMxnCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:14.791547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063347
observed 7baab546fae19afc66d18fbea958c7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.774348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063347/manifest.json
observed 83e6ae67794a538d7577e15ff2f0d7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.756767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063347/publication.md
observed a2fbc20866903691ec325989e9fe3fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.739010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063347/publication.txt
observed 280c6ee2dcbf50c31dab8345d639ec90...
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.