OpenTechnical

OT-2026-000076585

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000076585) never changes.

Identity and time

Publication numberOT-2026-000076585 · never reused
Internal UUID01a0ae94-b06e-715f-a19b-bda69db68c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076585
StatusPUBLIC

Content hashes

Canonical textb3d1ea775facaa1df9681af2a4d1b30cfb1af3d9267d87548b1d06ade27a8b86
Markdownc2876dcebcbda3eee079ac8e00b2dec7471e453da8039bdca9d4a17c14d7a7d7
PDF
Publication pageb2cae5861046cb23c58c8669457c95c62579ea5bc1f041d286e168dca98aae9f
Manifestb71267dd7fd601afb69d835168778a58f446e32bd1345c80836a00d3064314c7

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
SignaturebBlTWLal25nBknvjUbLcnwDpoy14DtLO4vZeHF+kT6cRHJCK6LVQd5kHMjqAcC8I0TarmRMI3qeVmhMQ3ozdBQ==
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

2026-09-17T10:09:18.588769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076585
observed b2cae5861046cb23c58c8669457c95c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.571818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076585/manifest.json
observed b71267dd7fd601afb69d835168778a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.553940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076585/publication.md
observed c2876dcebcbda3eee079ac8e00b2dec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.531291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076585/publication.txt
observed b3d1ea775facaa1df9681af2a4d1b30c...
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.