OpenTechnical

OT-2026-000044643

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-2026-000044643) never changes.

Identity and time

Publication numberOT-2026-000044643 · never reused
Internal UUID01a0ae7c-39da-7ddc-8764-4aabde28c812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044643
StatusPUBLIC

Content hashes

Canonical text570c8e99244874882c2646e71a4bcc565d226facb7e8d8fc30dc121ee480ac99
Markdownd73dbe8062f8b89cd28bced1c2753ea9b332492eab8081160487f47d16e1b097
PDF
Publication page0e9d4fc2ef3fe5ee3839142f143c23052411b06988f53da86249064cea5ca9e5
Manifest368b2ed9043ebd21662b18f80702fc513b80c8938303eb6599f25feb05a63b7a

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
SignaturewhkBmYSSyreKRz8ZGyXx6Ucj3P1RAoY5QFmUeH3vozk0GK9Gxt1ns7fTJegSj9pRH9Fhe5PxBDESYziTBajoDA==
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

2026-09-17T11:11:53.198164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044643
observed 0e9d4fc2ef3fe5ee3839142f143c2305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.179254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044643/manifest.json
observed 368b2ed9043ebd21662b18f80702fc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.159587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044643/publication.md
observed d73dbe8062f8b89cd28bced1c2753ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.142081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044643/publication.txt
observed 570c8e99244874882c2646e71a4bcc56...
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.