OpenTechnical

OT-2026-000042551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000042551) never changes.

Identity and time

Publication numberOT-2026-000042551 · never reused
Internal UUID01a0ae7a-c0cd-7652-9df0-99f030c9affa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042551
StatusPUBLIC

Content hashes

Canonical texta8008c6f3a0bfde54da02d638c35653de4d586e4339c3562f7ec2682815d0dec
Markdown20e0dd7a75852e061fff9b98d5f3c83809306d2e3a0bbeee5bdafb5db0444663
PDF
Publication pagea6c206c178bad4df0930e0d4f70c86445add77997d6873ec278e5eff4154c9da
Manifest621cc8942f115f9cbf0eed184ee0ce29c67462ef7e46e773a1d5b9718c2ed0c3

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
SignaturefD6VjJTIF3WuQ+G1sw0MBog/3fi6QllyRm3JKiUw7baddefBL/O51weJOWNoiwBax+PiMf+X8tVuzT6TP18JBQ==
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

2026-09-17T11:14:15.487448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042551
observed a6c206c178bad4df0930e0d4f70c8644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.466874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042551/manifest.json
observed 621cc8942f115f9cbf0eed184ee0ce29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.447770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042551/publication.md
observed 20e0dd7a75852e061fff9b98d5f3c838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.428656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042551/publication.txt
observed a8008c6f3a0bfde54da02d638c35653d...
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.