OpenTechnical

OT-2026-000075561

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000075561) never changes.

Identity and time

Publication numberOT-2026-000075561 · never reused
Internal UUID01a0ae94-29fc-7aaf-92f3-e5e404d85d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075561
StatusPUBLIC

Content hashes

Canonical text7ad741ad9dc07aaf31e46dc2d078689fadba5b1f38e0a5b7af419eb0bb8dc9fc
Markdown087bc094e12d33dbe27458c7d6a2c1d41bd58d8b031351836a4e2c5ca235e798
PDF
Publication page86a7efea08723e0e5ca6e9fa6ccb62465670feb5d1ad09dad2ca7990c6530d84
Manifesta34562bd7eafbc97905d259e93b3e68f3a7caa917d6e53a516c5f59e6f225056

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
Signatures0AGM4UAPkfbzD+457hzet47a2oiqnOHxrthkeXCM/SQxjGyjpUEswwlRCIobXkT1iS5YEWtJ0DvWrUDzS4DBA==
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

2026-09-17T10:13:07.799161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075561
observed 86a7efea08723e0e5ca6e9fa6ccb6246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.780635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075561/manifest.json
observed a34562bd7eafbc97905d259e93b3e68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.761157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075561/publication.md
observed 087bc094e12d33dbe27458c7d6a2c1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.742932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075561/publication.txt
observed 7ad741ad9dc07aaf31e46dc2d078689f...
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.