OpenTechnical

OT-2026-000073213

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073213) never changes.

Identity and time

Publication numberOT-2026-000073213 · never reused
Internal UUID01a0ae92-efb6-7ac6-bfbe-d256b1b98b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073213
StatusPUBLIC

Content hashes

Canonical text47013371f4a482e1e72d1a58832fcb6a1347fdf65085366121db839ed41e2007
Markdownbe85bb301b357ae5a87ee4e36ce7106345b78ea3924512c76c77ca7ae4382ef0
PDF
Publication page2b104c9fdc011497d278f79a3ab3f410ac5b647a5e59d930519764b822249745
Manifest4de73864e1b5865ab11033124d77aab941232dd03d0df9a335cdbebfa4f1eb60

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
SignatureJhTgQbUjNno+nmblagUvOw+2zC874lEynUAxfX6yjDMLN6E9hNbpNUcsOY5nnWdEFsoXePVNdSPkrrKp/Gg9Cg==
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

2026-09-17T12:43:10.228761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213
observed 2b104c9fdc011497d278f79a3ab3f410...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:10.075080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/manifest.json
observed 4de73864e1b5865ab11033124d77aab9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:09.928185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/publication.md
observed be85bb301b357ae5a87ee4e36ce71063...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:09.641139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/publication.txt
observed 47013371f4a482e1e72d1a58832fcb6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.126520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213
observed 2b104c9fdc011497d278f79a3ab3f410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.107282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/manifest.json
observed 4de73864e1b5865ab11033124d77aab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.088514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/publication.md
observed be85bb301b357ae5a87ee4e36ce71063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.067795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073213/publication.txt
observed 47013371f4a482e1e72d1a58832fcb6a...
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.