OpenTechnical

OT-2026-000006905

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, closed cell

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-2026-000006905) never changes.

Identity and time

Publication numberOT-2026-000006905 · never reused
Internal UUID01a0a96b-ba2d-70c3-a15e-0768c8dbf71a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:24.660970Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006905
StatusPUBLIC

Content hashes

Canonical textaec8447ffce1ffd1e98717c79f79046b52d0c245806e6ef36c241f443f0d59f9
Markdown63eb6779b478e1e608a5f9f268039426d754c016bf2a5dbf2612f874e85dac9c
PDF
Publication pagefe507802b4ad2efb555c76ec15f02cf9e449178f5504de5a81d4dfc03146a0b8
Manifest78f1f5e68bd28ad893b2c1e4e9027310c3967e46034439bcd0e2bc93e9af12e2

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
SignaturecBiEunaoUkm4XHERSbd3MAe5mduC0LVDjZw2Y5VGCxdCmx44m4CrQZiiT6Chhhy8AlDumL1y+3CixvnXYmF4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:23.483631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006905
observed fe507802b4ad2efb555c76ec15f02cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.470518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006905/manifest.json
observed 78f1f5e68bd28ad893b2c1e4e9027310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.458358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006905/publication.md
observed 63eb6779b478e1e608a5f9f268039426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.444010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006905/publication.txt
observed aec8447ffce1ffd1e98717c79f79046b...
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.