OpenTechnical

OT-2026-000076329

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000076329) never changes.

Identity and time

Publication numberOT-2026-000076329 · never reused
Internal UUID01a0ae94-6a70-73be-b4f7-089198288f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076329
StatusPUBLIC

Content hashes

Canonical textffcaa85de0529968fc77056c502e469d6e6058037aa1e08d6bf437d17b379b98
Markdown3f4fbdf3c191f21a9f01670d4438f475c3a882cbf298fec9b576eab892be693c
PDF
Publication pagef2b3d2516d9da74a7b9e32a29d80c3d6d55987ca703f6ea267311ca213dfb26a
Manifest61520431b2b57459e63efc1bcedb1dd28f7e1d7fa7d1b512aa21894377162063

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
SignatureCust88XfvaBRiKOgcmnNTX3BKghewDmezh5KugA3VrMc56bqoiUye3JjcaSxczGuq9zH78I0K5edDC1FHPfGCA==
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

2026-09-17T10:12:11.053684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076329
observed f2b3d2516d9da74a7b9e32a29d80c3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.033996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076329/manifest.json
observed 61520431b2b57459e63efc1bcedb1dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.014693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076329/publication.md
observed 3f4fbdf3c191f21a9f01670d4438f475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.993458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076329/publication.txt
observed ffcaa85de0529968fc77056c502e469d...
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.