OpenTechnical

OT-2026-000089566

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089566) never changes.

Identity and time

Publication numberOT-2026-000089566 · never reused
Internal UUID01a0ae9c-1a21-734b-876b-272027a7967e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089566
StatusPUBLIC

Content hashes

Canonical text25040e132621c4fd8a1dde31aef7c99f32cb5224e861c5e2645dcfdaa5170936
Markdown5a5f85e258ed4e481991214df5d4630bfd5ed4704abc1dd0ae658c1adb9b42e9
PDF
Publication pageda7b41b67c91694ea3bb325bddbab926cb1f35d578497cd0bd6b88f0e48269e5
Manifest3831f97c134281ec73dc43fc9a0bf03a47587fb435b20e45d99e9d7c69a13cdd

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
SignatureqRTPTqGEaqvU3HgoLWnXZzuFK9fDRcxVTAAFhLAIdXcWrWgrwQdFWym1D8Uj6NM9WyRCXITFSIV/U/uzQFcyBA==
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

2026-10-17T20:41:07.512915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566
observed da7b41b67c91694ea3bb325bddbab926...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T20:41:07.456634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/manifest.json
observed 3831f97c134281ec73dc43fc9a0bf03a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T20:41:07.387729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/publication.md
observed 5a5f85e258ed4e481991214df5d4630b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T20:41:07.237444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/publication.txt
observed 25040e132621c4fd8a1dde31aef7c99f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:41:10.484842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566
observed da7b41b67c91694ea3bb325bddbab926...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:41:10.383827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/manifest.json
observed 3831f97c134281ec73dc43fc9a0bf03a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:41:10.295756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/publication.md
observed 5a5f85e258ed4e481991214df5d4630b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:41:10.156967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089566/publication.txt
observed 25040e132621c4fd8a1dde31aef7c99f...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent