OpenTechnical

OT-2026-000015721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000015721) never changes.

Identity and time

Publication numberOT-2026-000015721 · never reused
Internal UUID01a0ae6e-0c4b-76c6-ac89-df36a3fb8e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015721
StatusPUBLIC

Content hashes

Canonical text9972554aa2d8fcc437bbcbaeafd1663cfd495675db4c0fdaa1f896c32222b8c3
Markdown44e59d0b2fd2addf68d854db4dd73861693fdd072450a88c01bab6e921d16439
PDF
Publication pagedf636ed4befafa0ce1c10bcdd000022e295a8e785138502c8fc4c7510428fb6c
Manifest0fcf573214f3abd970c16e28fa7392ae82a6b754f3f4779462389848ca1c0a2a

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
SignaturefLwMOkySGgCF+DQXkvTzE7RTsw9Cf++MbyraJyGT0XAW1mK/bROSmyfc5j69c0RHYrqebhlso0+6tc9HPyJYDg==
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

2026-09-17T12:05:00.293303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015721
observed df636ed4befafa0ce1c10bcdd000022e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.274568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015721/manifest.json
observed 0fcf573214f3abd970c16e28fa7392ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.225909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015721/publication.md
observed 44e59d0b2fd2addf68d854db4dd73861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.179693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015721/publication.txt
observed 9972554aa2d8fcc437bbcbaeafd1663c...
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.