OpenTechnical

OT-2026-000028606

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000028606) never changes.

Identity and time

Publication numberOT-2026-000028606 · never reused
Internal UUID01a0ae72-e2f9-7cb2-b079-12d232bc7649 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028606
StatusPUBLIC

Content hashes

Canonical text3268266c00862463cf471b212fc755ecaf034d2b64160d4cdb13f09e2bb8e48c
Markdown0885e57e1ffa2d2160be300b978cd6825568d5f0e731c489055926b5b912287a
PDF
Publication pagefc5e5789f9e4ea3b5127134184084cb3412dea2be40ef4ec2b689eb1f075f093
Manifestec7b62347a470418b70aa5a7396225fa084bdf8e91b9767dae8a6585ee50de10

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
SignatureZDwiPBe13w+Ip9lThEZBIwWdpybM++KaXMuE68Yc2E6zqNqxojev53dBj4yPMUXc9yT9z0y23FXNTM7KsyA1BQ==
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

2026-09-17T11:41:27.965850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028606
observed fc5e5789f9e4ea3b5127134184084cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:27.945929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028606/manifest.json
observed ec7b62347a470418b70aa5a7396225fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:27.925141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028606/publication.md
observed 0885e57e1ffa2d2160be300b978cd682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:27.907360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028606/publication.txt
observed 3268266c00862463cf471b212fc755ec...
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.