OpenTechnical

OT-2026-000087399

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087399) never changes.

Identity and time

Publication numberOT-2026-000087399 · never reused
Internal UUID01a0ae9a-cd50-7961-bf34-057833308c2a · 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-2026-000087399
StatusPUBLIC

Content hashes

Canonical textdd3f7a2c83db953c3c7634db765befdb7fd606e8a04b0b12f9839318c0adb518
Markdown6250c78e3da284760a84677f01c0fe1864daaf0a6e6469569cad26817c97441a
PDF
Publication page75e253b39f992853354f5dce0f866133cc5d72188972131ad8f39aa2ebe7f193
Manifest20a6e7326ef4b9bb91e98f46f5e1ce2ca2cdf0fa8c9dd9e73dd35b3ede0a65e1

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
SignaturesvsW3S5yVDR+33quzKlBNf/qQ5pYU8nu8b7js+3bKFKB06tEC4SknVxFlUbCYVhGGECdn58WhPOPvAgaxfGiAg==
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

2026-09-17T09:50:42.718816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087399
observed 75e253b39f992853354f5dce0f866133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.701954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087399/manifest.json
observed 20a6e7326ef4b9bb91e98f46f5e1ce2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.683719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087399/publication.md
observed 6250c78e3da284760a84677f01c0fe18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.666502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087399/publication.txt
observed dd3f7a2c83db953c3c7634db765befdb...
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.