OpenTechnical

OT-2026-000078657

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078657) never changes.

Identity and time

Publication numberOT-2026-000078657 · never reused
Internal UUID01a0ae95-7c2a-76de-a287-4c69832f00f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078657
StatusPUBLIC

Content hashes

Canonical text883a78d7188b6c4c6061610023339bd433050528f19c4397c444e91fd65e6e29
Markdown9ca6a44f4981d11b040eab996329f710e0e4eb5554bd118c51a828043ded17fb
PDF
Publication page165aa91015f062e7e11e5c04528bb3bb7542ddfc1fc6137a8df7ab9ccdcf4ba6
Manifeste029c16602c65b2e3a77f28fb157dad3195d4362fc5cf4001629494f333c1566

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
SignatureWo3c4A/Z3VQtpvGnw0NzjQD2k5hBl5q77mo2Wc1DhZDBmFmaOCLu7v8jJUNrA03i8taZsP1RONl39cJgucrSBw==
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

2026-09-17T10:06:42.256209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078657
observed 165aa91015f062e7e11e5c04528bb3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.238112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078657/manifest.json
observed e029c16602c65b2e3a77f28fb157dad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.217519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078657/publication.md
observed 9ca6a44f4981d11b040eab996329f710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.198793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078657/publication.txt
observed 883a78d7188b6c4c6061610023339bd4...
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.