OpenTechnical

OT-2026-000078751

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078751) never changes.

Identity and time

Publication numberOT-2026-000078751 · never reused
Internal UUID01a0ae95-ccbc-71fe-b8e7-118edf566f6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078751
StatusPUBLIC

Content hashes

Canonical text9acb6b826916e9df66784712302f719342fa2e2e80931bc858d79f8bb98e4daf
Markdown29d8efba36b7bee3a73ab5f1c5a2b408eedf4c8b47e0b657ee82f5e7c901db57
PDF
Publication page1b92645bc7c77660f08fbae233e12c82d5507f3e166b1b9c6b78d23be067e9e6
Manifest70a7e6853d3a5323b5e212d191a7de54a94b18a04a72596189d2b29b1757cc29

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
Signature/dzec39+eaYRiLnoKCS8rPcZZvsvy5wlysx6M3FrWKW2AXUX8+PYSVybfnAgBKbHX+1OzOZVwpNckXRYTtZbDQ==
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

2026-09-17T10:05:32.271702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078751
observed 1b92645bc7c77660f08fbae233e12c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.252602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078751/manifest.json
observed 70a7e6853d3a5323b5e212d191a7de54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.165407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078751/publication.md
observed 29d8efba36b7bee3a73ab5f1c5a2b408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.147342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078751/publication.txt
observed 9acb6b826916e9df66784712302f7193...
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.