OpenTechnical

OT-2026-000086825

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000086825) never changes.

Identity and time

Publication numberOT-2026-000086825 · never reused
Internal UUID01a0ae9a-80a4-7049-8c07-383081e56bd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086825
StatusPUBLIC

Content hashes

Canonical text0e63b08249e8dd17cfd4d6a0a5123579cde684e763eb6ea527dcb1851f9d6950
Markdown574126782b63a63255095e1211b0dd27eb2e01b22933f8792e9a60b661739fa4
PDF
Publication page5278342f27c2d95e4b7b0cef7aef93835e47b4ed26f3d50b3b53c50a8c864c20
Manifest3361cca39c620708e110b116b8784245b9fa41c16d784747177c73ef3e28975f

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
Signature/djjXZKeMGabt41b6nIkDxM0e78WASXm4dmdB6wyiWlWdGR3lhfArWQRPvyXYLVOaiPFAh+6gyOCQT9Vt/CfBA==
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

2026-09-17T09:51:39.063099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086825
observed 5278342f27c2d95e4b7b0cef7aef9383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.046017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086825/manifest.json
observed 3361cca39c620708e110b116b8784245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.027022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086825/publication.md
observed 574126782b63a63255095e1211b0dd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.006644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086825/publication.txt
observed 0e63b08249e8dd17cfd4d6a0a5123579...
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.