OpenTechnical

OT-2026-000082933

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000082933) never changes.

Identity and time

Publication numberOT-2026-000082933 · never reused
Internal UUID01a0ae97-8cca-7e7d-a0a0-a530812f3516 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082933
StatusPUBLIC

Content hashes

Canonical texta2d62c4e1c49fe1f91f8f1dcddcaabf7c9834c27b34324aa57b1b7426ec8606e
Markdownabd078f6d229aaed3046bd83116cb9b50419374a413d8a706051e9df45a94a3c
PDF
Publication page7e6f884bdb013cbc286152a142c4074da76a5674c4beb6cdda317c181396c440
Manifest435dad02ea41985beb81e76197cba1cce35c0595812d617ed782aabd18824e34

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
SignatureoExHTHmd8kZ4hUMEOjme9Chzm+Q03XO6mx/S4C380kpnGLwbMzlOprGxuyWWks81QMl2CG/0Nf74c2b3rOUaAw==
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

2026-09-17T09:58:37.606908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082933
observed 7e6f884bdb013cbc286152a142c4074d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.590213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082933/manifest.json
observed 435dad02ea41985beb81e76197cba1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.572617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082933/publication.md
observed abd078f6d229aaed3046bd83116cb9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.555410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082933/publication.txt
observed a2d62c4e1c49fe1f91f8f1dcddcaabf7...
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.