OpenTechnical

OT-2026-000026835

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026835) never changes.

Identity and time

Publication numberOT-2026-000026835 · never reused
Internal UUID01a0ae72-3452-74f9-97d7-0db3fd458d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026835
StatusPUBLIC

Content hashes

Canonical text75bf4e3cb3a838c6713bcf6683966aba0444bfe5477d15cf4c72f868b0b884e4
Markdown511635918237b200a9fd0291b8a1567e8d2eda5a1d6e56dc61503f2555a1cf81
PDF
Publication page0919762b3281cecd513f601a953eeb79d170337ea41522d223f85dfe93c029f4
Manifestea1fcba6b51f9937940f45dd13a7edd5da869893aa216bd8a6366548824e0b82

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
SignatureL2vS+LeqAVHkkEKTUEFKtjwdWPM8nLhlfEv/82tHKy9C6iYtANwsO09AP05zZXYEkXNXn/VIQh51/WerrM52Dw==
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

2026-09-17T11:43:25.245053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026835
observed 0919762b3281cecd513f601a953eeb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.225332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026835/manifest.json
observed ea1fcba6b51f9937940f45dd13a7edd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.206759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026835/publication.md
observed 511635918237b200a9fd0291b8a1567e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.189435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026835/publication.txt
observed 75bf4e3cb3a838c6713bcf6683966aba...
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.