OpenTechnical

OT-2026-000099753

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099753) never changes.

Identity and time

Publication numberOT-2026-000099753 · never reused
Internal UUID01a0aea2-c977-7416-bb9d-1d05c63eba7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099753
StatusPUBLIC

Content hashes

Canonical text0afb46a829b1f23dd4a8ec1f5e0531714b2cefbde38502c2d395cdd25ce95f6a
Markdown47821997d057be6615d6d80e1e134e08fcd75c6b2dadd40b4529713a6803c71f
PDF
Publication pagee5e9599e08d042f5ef13a56713bd1649c10a514409c0540f050f2d1839c10a5b
Manifest4f1cc5ed8abc1c30a1afbfe3f8e240217ebc1844d549a7c7b233c87d8b25fe5a

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
Signaturep2vh9cfLaDLdVPJ3zIvtMHhpFXYajAX2w875GK1wR9baL9SyAQ6rErsXG5+GOFpzaaEQyUaqOiZvm+/JuEZtBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:46.782083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099753
observed e5e9599e08d042f5ef13a56713bd1649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.764276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099753/manifest.json
observed 4f1cc5ed8abc1c30a1afbfe3f8e24021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.737781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099753/publication.md
observed 47821997d057be6615d6d80e1e134e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.711799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099753/publication.txt
observed 0afb46a829b1f23dd4a8ec1f5e053171...
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.