OpenTechnical

OT-2026-000008903

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000008903) never changes.

Identity and time

Publication numberOT-2026-000008903 · never reused
Internal UUID01a0ae6b-31b7-7450-a916-02f50c86e101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008903
StatusPUBLIC

Content hashes

Canonical texta80c08ec44e454077d6198774a3d440aca8938fa010bb786e98f092993298990
Markdown99821f2ecf5f440ae7a1e9c34a182f4d8f47b3d4103d82bd33fae306ed35e42b
PDF
Publication pagea0d02af0f5e7ca852e87203acfdb31399b1f2169c1c8bcad99ec7534b39da887
Manifestd84e880078369640bf0a9469911186f20c35bdefebd33daaf7d939fe52bdb8ce

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
SignatureH03L/X0v6P1HWmdXFRKYa+xwUba2RMoet5In/sIqruhsvDOnQq/Dtv1cIOMRB7AhdF3Jq2rlaASuqJPspvuJCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.294247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008903
observed a0d02af0f5e7ca852e87203acfdb3139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.275930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008903/manifest.json
observed d84e880078369640bf0a9469911186f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.256620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008903/publication.md
observed 99821f2ecf5f440ae7a1e9c34a182f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.237861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008903/publication.txt
observed a80c08ec44e454077d6198774a3d440a...
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.