OpenTechnical

OT-2026-000072593

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072593) never changes.

Identity and time

Publication numberOT-2026-000072593 · never reused
Internal UUID01a0ae92-89d9-7f31-a334-07c7c0c0818c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072593
StatusPUBLIC

Content hashes

Canonical textd96eeb854761abff7c76df337f494c1b6240d4f136eb80b7b467e7afbd14e4fb
Markdown980dba48f0c844529f56f8f8979ab1cee63f8f557524a909ecd6673f5bab78d6
PDF
Publication page1f7e4a8663ecacf28ceb76d59b391abac5e8f9d8260432fcaf831c7211752964
Manifestd4de07747cc541edbeb824f7d582d4c8d59e5e01ab458dc45c4e8bde808ddb50

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
Signature5rrZ599szrBUf+NppZNneDVBEZFjcIkg5XUY/weZAkRsvK2J8TpOWFzCVjEjtmeGCJAwPG91XLP+wvmSoRTEBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:26.264538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072593
observed 1f7e4a8663ecacf28ceb76d59b391aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.246032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072593/manifest.json
observed d4de07747cc541edbeb824f7d582d4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.225814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072593/publication.md
observed 980dba48f0c844529f56f8f8979ab1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.208991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072593/publication.txt
observed d96eeb854761abff7c76df337f494c1b...
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.