OpenTechnical

OT-2026-000076065

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076065) never changes.

Identity and time

Publication numberOT-2026-000076065 · never reused
Internal UUID01a0ae94-6a6e-7f5d-aad6-09fabf0ccc4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076065
StatusPUBLIC

Content hashes

Canonical text48d68fe86b3f5a84242abd69cb1337ab5a75c2344dae86ce442046c9687e84bb
Markdown45c3d9702c560998d4b5ec2dbaae152d02fc78414c4e5940247b069048b95ab4
PDF
Publication pagef033cc86dacf04bd52ecc422b3271bed63cdbf6a7ebab9bd9afeb9d6ce74691f
Manifest9665af578a5ae47710974752ae7af58c5947d509a4048f4dd85b90cd02f2c2eb

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
SignatureXHmi2OmP0RnLVwYTUV3bGwVjQ7ge887XiLgoaA4VLwcEPacvrguFj/7YJyAJgEcYZYFH1462d1KrYPCpVRI0BA==
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

2026-10-21T00:41:39.540615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065
observed f033cc86dacf04bd52ecc422b3271bed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:39.455096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/manifest.json
observed 9665af578a5ae47710974752ae7af58c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:39.341511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/publication.md
observed 45c3d9702c560998d4b5ec2dbaae152d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:39.162308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/publication.txt
observed 48d68fe86b3f5a84242abd69cb1337ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T04:41:45.709853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065
observed f033cc86dacf04bd52ecc422b3271bed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T04:41:45.653625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/manifest.json
observed 9665af578a5ae47710974752ae7af58c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T04:41:45.598792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/publication.md
observed 45c3d9702c560998d4b5ec2dbaae152d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T04:41:45.178598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076065/publication.txt
observed 48d68fe86b3f5a84242abd69cb1337ab...
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