OpenTechnical

OT-2026-000073913

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000073913) never changes.

Identity and time

Publication numberOT-2026-000073913 · never reused
Internal UUID01a0ae93-2b8e-7280-8a72-262f31404e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073913
StatusPUBLIC

Content hashes

Canonical text62d3cb7c339dd2d46267fe88a71777442a49ec771f4b5d9a2428f0190f864abe
Markdown0f87695890909da0f350e1de51ed8b07dd0c14203d7fe831f9707b303be0c6cb
PDF
Publication page9d31e7a9351ca31bfd93102f8afa5d2b12d9062f5957169dba17f8a25066caf3
Manifestcac0d24e68d1aa0b77210e11de3bfda78687b70d2e7f158976b77aa0ccf6b0ca

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
SignaturemSyj71/zvH9by6Yk0EHFUIANUf0xnJD5Fof7oDOsw5/jyNteP/EkaQZU9oEU9oZauHv/1Teoi5A9TWN4diFKBQ==
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

2026-09-17T10:20:04.488730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073913
observed 9d31e7a9351ca31bfd93102f8afa5d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.467723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073913/manifest.json
observed cac0d24e68d1aa0b77210e11de3bfda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.438656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073913/publication.md
observed 0f87695890909da0f350e1de51ed8b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.416856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073913/publication.txt
observed 62d3cb7c339dd2d46267fe88a7177744...
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.