OpenTechnical

OT-2026-000007853

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000007853) never changes.

Identity and time

Publication numberOT-2026-000007853 · never reused
Internal UUID01a0ae6a-908a-71da-8377-cdc438e4eb39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007853
StatusPUBLIC

Content hashes

Canonical textb4fc14a855525c24ddcdbe794c33990790267785698aedf4ce68eb20b91eaaba
Markdownd461cc61e624e057925c21c6b1a86c9f3dfcac171cb50daa76a68d1c6104f131
PDF
Publication pagee33df1f34ae01fa50b8a274d5be301099daac7f17d356bad0b4098fcb5fc01d6
Manifest06aa738d154cd97740fef71eada634087a09cc13cc69698869bd5b7a56d20063

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
Signature1r3ggQM1ex+So5VIBzZ07AFwV16vcwuiIze+BUS3CR9NC6wWp1x9jj/M0IsbcnIyt/hhbCx0FV406Grlzk+OBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:07.592017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853
observed e33df1f34ae01fa50b8a274d5be30109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.574069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/manifest.json
observed 06aa738d154cd97740fef71eada63408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.557859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/publication.md
observed d461cc61e624e057925c21c6b1a86c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.539364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/publication.txt
observed b4fc14a855525c24ddcdbe794c339907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.785732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853
observed e33df1f34ae01fa50b8a274d5be30109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.766133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/manifest.json
observed 06aa738d154cd97740fef71eada63408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.746529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/publication.md
observed d461cc61e624e057925c21c6b1a86c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.729000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007853/publication.txt
observed b4fc14a855525c24ddcdbe794c339907...
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.