OpenTechnical

OT-2026-000074165

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000074165) never changes.

Identity and time

Publication numberOT-2026-000074165 · never reused
Internal UUID01a0ae93-7178-78e0-8f7c-8e0192305e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074165
StatusPUBLIC

Content hashes

Canonical text84fcb74913f4bfd9cb1cdcaa2549cdd9d7a4bc1f322b6619b62fc272a08ebe78
Markdown61b8833883584d5791a959ea2f571a13239ef8341212e3af946d2af93a52fba1
PDF
Publication page33d67f5f8a3959a786c7ddfb32a6355d7c4056aa2525434f7907b83d8ae7785f
Manifest1644ad314ed44439817670274947497631687a53ef3f6f08bdf03d71e55a9d78

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
SignatureCAQP+bnzsRCxGB3JpEqVt4N9FjchYjNY//N52a09h4nFg8/PBPXaTQRBg0YgWrjgHrKPVFL49h/53Fg3/Kf8Dg==
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

2026-09-17T10:19:00.882089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074165
observed 33d67f5f8a3959a786c7ddfb32a6355d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.866613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074165/manifest.json
observed 1644ad314ed444398176702749474976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.850512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074165/publication.md
observed 61b8833883584d5791a959ea2f571a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.833452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074165/publication.txt
observed 84fcb74913f4bfd9cb1cdcaa2549cdd9...
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.