OpenTechnical

OT-2026-000076497

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two 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-2026-000076497) never changes.

Identity and time

Publication numberOT-2026-000076497 · never reused
Internal UUID01a0ae94-6a71-7bc6-8fdc-85745050b266 · 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-2026-000076497
StatusPUBLIC

Content hashes

Canonical textefdbde7c0f96a46dde1ee34567a046171a6b41fad9773f4fa99eca068774da5d
Markdown40582bbfd6e580e346be83e8e556f225781751291c9429ad72e0b9916c793e32
PDF
Publication pageb4edabbdd5543fd7e1d981b0004815c34fcedbda3d7bf90f78c0340cc8eeb38b
Manifest53dea401a32c9cdde16873e0cf86c041f06ab5eca6f2097dbc1eeb36cf711988

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
SignatureY+4QIHnHDx5YiE0uELuz/JECHnf007/ZRW114a5UC88v/yeM9YdHnPqlPQtl2VHhFrx3KBRh7EmqItqsOfJXBg==
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

2026-09-17T10:12:34.972690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076497
observed b4edabbdd5543fd7e1d981b0004815c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.955994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076497/manifest.json
observed 53dea401a32c9cdde16873e0cf86c041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.811335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076497/publication.md
observed 40582bbfd6e580e346be83e8e556f225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.767246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076497/publication.txt
observed efdbde7c0f96a46dde1ee34567a04617...
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.