OpenTechnical

OT-2026-000087665

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087665) never changes.

Identity and time

Publication numberOT-2026-000087665 · never reused
Internal UUID01a0ae9a-cd54-7f94-8ded-7a39ebff037c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087665
StatusPUBLIC

Content hashes

Canonical textf2041264b206c0d58b9894fc423b29ff28d2716b14a95d0e8da92a1be67d20ff
Markdowne17c5710228caccf335a23cf493d4dbf9f73b548eaf7ca995fbe0ef310d04d9d
PDF
Publication pageea9c13aeab9289c5b41427293dad563e404e5cb67f6575d715755ab49d7f8b7c
Manifestb6b745fbcd50b258100610e139aef74cf262b36ff0c3f5a23ce48c9caa554d6b

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
SignatureaCglm8wU+HsFD8MR/zoLotoUiAeLLSLA8YF+azSRmn0ZEtM9xM6VmEtpCqW0odn0goJr2z/4XGQgjCiAJyIvCA==
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

2026-09-17T09:51:06.640133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087665
observed ea9c13aeab9289c5b41427293dad563e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.624567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087665/manifest.json
observed b6b745fbcd50b258100610e139aef74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.608025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087665/publication.md
observed e17c5710228caccf335a23cf493d4dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.592375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087665/publication.txt
observed f2041264b206c0d58b9894fc423b29ff...
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.