OpenTechnical

OT-2026-000030563

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000030563) never changes.

Identity and time

Publication numberOT-2026-000030563 · never reused
Internal UUID01a0ae73-e505-740a-a640-184263349140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030563
StatusPUBLIC

Content hashes

Canonical text514343f3b0463d034127803bb66edab1143ec7c6f58eb6c78deb4b0b213f3ae9
Markdown646f8b4e430678b9cdc1c0f6cd7361d993e89a7701b94505a71b4d17c762deab
PDF
Publication page5c086706dab6b32225ff8ae7da12a6b4d38aa0322edd26d438d7a72c55151b25
Manifestc2a858a0e8b44b740f3b9889e44d06b4ff0dca346ef757bef7adbde1b28b797e

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
SignatureFqdYroDlLwNGMZJ7lR8Me7LT6xhLky6jUF96PGX+eZckyo98uAwrrW5COqHdHsl7oIBvZULzxUk+TjCFJNT2DA==
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

2026-09-17T11:38:26.024780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030563
observed 5c086706dab6b32225ff8ae7da12a6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.007045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030563/manifest.json
observed c2a858a0e8b44b740f3b9889e44d06b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.990226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030563/publication.md
observed 646f8b4e430678b9cdc1c0f6cd7361d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.973212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030563/publication.txt
observed 514343f3b0463d034127803bb66edab1...
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.