OpenTechnical

OT-2026-000083485

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000083485) never changes.

Identity and time

Publication numberOT-2026-000083485 · never reused
Internal UUID01a0ae97-c965-7860-8cba-8f7a40907d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083485
StatusPUBLIC

Content hashes

Canonical text782e3d282ed072f73d3c1e2579e883b4a77bf0985b7e576fe48d6ba48ef47cb8
Markdownabb981bef94a367300263d04ef75441cbb25ef0d6ab15a6552da67e114d19a0f
PDF
Publication pagec873e143ff07e16919d9d1633430cb6021509f26e8c49532f8f88715c67c0282
Manifestd43cc45b20957620c0aa3c6568a32eafe87cb70d960e8275ae246c685307853b

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
SignatureJA+pIKAa3mGcVpS5R9+FWXQV8grMHVlHLltA/MXZ2PfC1PMzFS3WpnnA3QhSq1bFMr7kpCZFbi6MKsZ1dPaQAQ==
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

2026-09-17T09:57:54.526644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083485
observed c873e143ff07e16919d9d1633430cb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.511387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083485/manifest.json
observed d43cc45b20957620c0aa3c6568a32eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.495416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083485/publication.md
observed abb981bef94a367300263d04ef75441c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.480186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083485/publication.txt
observed 782e3d282ed072f73d3c1e2579e883b4...
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.