OpenTechnical

OT-2026-000087812

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line 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-2026-000087812) never changes.

Identity and time

Publication numberOT-2026-000087812 · never reused
Internal UUID01a0ae9b-1aa4-715e-9d25-fc5338344141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087812
StatusPUBLIC

Content hashes

Canonical text41308fbcee28037724d26c1b55eb127edf0d82d83bfefd61ccb206838c3871b8
Markdown260deb0acbd350521a7fe2e40fcfc9f2b3b1d384a1459bd860df5af25cfb460a
PDF
Publication pagee1cb9ed3cafc8ce19e79e990e18c0a8347dc777e98055c52fb5f82f04ef72863
Manifest4dfdbfa14ef38624b0decbf3f7feb8792913f8569b35ccc8d89c2a2dc8530054

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
SignatureP5rW/geRZHvGMLlJVs4pkR/sRn9tkCNZudZROtNkT/fT9P5dDuQa7ddmULzhfDFCZKWfK2EsgynLLB19qP0xAQ==
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

2026-09-17T09:49:02.571391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087812
observed e1cb9ed3cafc8ce19e79e990e18c0a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.552263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087812/manifest.json
observed 4dfdbfa14ef38624b0decbf3f7feb879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.533950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087812/publication.md
observed 260deb0acbd350521a7fe2e40fcfc9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.515629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087812/publication.txt
observed 41308fbcee28037724d26c1b55eb127e...
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.