OpenTechnical

OT-2026-000050064

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050064) never changes.

Identity and time

Publication numberOT-2026-000050064 · never reused
Internal UUID01a0ae81-fd78-7096-9183-73a75fc73ec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050064
StatusPUBLIC

Content hashes

Canonical texta9484694a6fed7f9e1e689ac98f4401e62379800bba066747ecbee06e3928402
Markdown4e89576f6204d51900708e4d70332e47fb789b7ccc931d88654702a54f9cd7a6
PDF
Publication pagecaf5d3e62d6a77e875d2614bda44e1c720f5a0607148b5711e5274f14c07df9c
Manifest8cbc8d5d322238959d62884f1210a53032423904d0398ca57fa46cf0d6c27808

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
SignatureAYGGM3oQwwxkQwq4ZZ2Y9iMJjPkRKejSjCtl1XHiTgkVBvRWnE3E6jmsiJmDY620BzeKsucjGQsYjg5dBepWCg==
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

2026-09-17T11:02:02.914996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050064
observed caf5d3e62d6a77e875d2614bda44e1c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.895280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050064/manifest.json
observed 8cbc8d5d322238959d62884f1210a530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.876110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050064/publication.md
observed 4e89576f6204d51900708e4d70332e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.857654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050064/publication.txt
observed a9484694a6fed7f9e1e689ac98f4401e...
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.