OpenTechnical

OT-2026-000015101

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line 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-2026-000015101) never changes.

Identity and time

Publication numberOT-2026-000015101 · never reused
Internal UUID01a0ae6d-d097-774b-b280-f582e864f127 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015101
StatusPUBLIC

Content hashes

Canonical textd120fe22cc3a9056017e30b4ddbb79aaa7eedb421ef267691a98b6f9ec9abe64
Markdowne28a5639b9959feb2d27f6255d2b2e560168440dce77f0b4931547291eff4e74
PDF
Publication pageb9b7e26509d6857c1bb8a067173abf314f3da98f10fd330a2a1b2abb276b5a2e
Manifest173bc1fa1f4cff7832792baf13f2f03d51457f9c81c3d61d40ec6d8611c56d2e

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
SignatureHCbBkgo7Nm/pNunKNj+l+y/kyfSQaS79IU+lqtmObkjt1hljmc6jm+hTlNPHZ6QbW4WiGJIB7HiX8Ns1kbQXAQ==
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

2026-09-17T12:07:09.592968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015101
observed b9b7e26509d6857c1bb8a067173abf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.573448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015101/manifest.json
observed 173bc1fa1f4cff7832792baf13f2f03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.554063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015101/publication.md
observed e28a5639b9959feb2d27f6255d2b2e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.536188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015101/publication.txt
observed d120fe22cc3a9056017e30b4ddbb79aa...
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.