OpenTechnical

OT-2026-000102317

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102317) never changes.

Identity and time

Publication numberOT-2026-000102317 · never reused
Internal UUID01a0aea4-50f4-7f16-8b49-0d1ec2a9d2af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102317
StatusPUBLIC

Content hashes

Canonical texta9476886b8fda6426bb1ba3328f61944491c7ce96bfebe208b51170e57395c60
Markdown58bf6c5be3a2c806185932d79dd0714d6ef7a4ff7b2e5359a8ed11e7574eec87
PDF
Publication page4b411ec16d45a5d6a79a7b8265f791995763d9b189b5628ec56795b43d5c29f6
Manifest9754281282388e712186fa107148fce5de91bfd72844490d211369b6f9e489f8

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
SignatureFXh9MY7xO8BheaXiZKq2JDlC7fU4x/4wbb/M/xHR+p46lyzYWCBhSEUymF4ut5mABIeW7qdT9ctBpAnCU0r3Bg==
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

2026-09-17T09:25:30.915745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102317
observed 4b411ec16d45a5d6a79a7b8265f79199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.897640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102317/manifest.json
observed 9754281282388e712186fa107148fce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.877754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102317/publication.md
observed 58bf6c5be3a2c806185932d79dd0714d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.856569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102317/publication.txt
observed a9476886b8fda6426bb1ba3328f61944...
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.