OpenTechnical

OT-2026-000086057

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000086057) never changes.

Identity and time

Publication numberOT-2026-000086057 · never reused
Internal UUID01a0ae99-e82b-725e-8795-ede6a70046d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086057
StatusPUBLIC

Content hashes

Canonical text9afc6a6be1a565015135ff9daf45c7bfb666af3c7b5162d1800f54bfc9b001b0
Markdown8acc518f78aec9b9898077554fbbc3c6ff4f0b964dccc63c1dafb3aeea2040be
PDF
Publication page5ad707e39832e08484da75866f958ab1d7c78811fb1b54f1434423cef49375f7
Manifest3f93b65ec188e5a6f5b4bf5a8eb85b5db957e7919b6dac0f9a254fbccd912448

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
SignatureAk+kVfdoToy9juTosISqxKfiowLSWP/uFwUjh7e/fvKP9bb4U1oA61UKvtyMaTIQQ/j6Tnz3409J302M5WvdBQ==
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

2026-09-17T09:53:03.232743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086057
observed 5ad707e39832e08484da75866f958ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.215357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086057/manifest.json
observed 3f93b65ec188e5a6f5b4bf5a8eb85b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.199056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086057/publication.md
observed 8acc518f78aec9b9898077554fbbc3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.180913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086057/publication.txt
observed 9afc6a6be1a565015135ff9daf45c7bf...
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.