OpenTechnical

OT-2026-000044471

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000044471) never changes.

Identity and time

Publication numberOT-2026-000044471 · never reused
Internal UUID01a0ae7c-39d8-7252-b1ae-926dd1310740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044471
StatusPUBLIC

Content hashes

Canonical text6c23bb5e42dc0290892e866004a1e8483b80a52ce7f3ceaef8b1db1a308f96e0
Markdown4dd84afae41f6f1c4f0dee243a8500def7c79e66461fe45f117ff648d9beea2f
PDF
Publication pagef6ebb509d3d5f9ae0bd14c79a41279545ac3bcd253f1ce65c65e6e79b7c96c9b
Manifest6b1cc3a46da22acda096d35bca1eb894570a52c2a2ad3e7f23d8793ba8215d38

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
Signaturez8jSLGKW8v1VgHO5ZyCkk6pG0F8rOa5w8XgheRUXqjTYIf8np9gjbu24tCp6LHAnkrHD2u+NSaYWstk4Hka5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:53.327689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044471
observed f6ebb509d3d5f9ae0bd14c79a4127954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.310373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044471/manifest.json
observed 6b1cc3a46da22acda096d35bca1eb894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.286994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044471/publication.md
observed 4dd84afae41f6f1c4f0dee243a8500de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.078475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044471/publication.txt
observed 6c23bb5e42dc0290892e866004a1e848...
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.