OpenTechnical

OT-2026-000083687

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000083687) never changes.

Identity and time

Publication numberOT-2026-000083687 · never reused
Internal UUID01a0ae98-0416-73a5-b88b-b2c616aa2fcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083687
StatusPUBLIC

Content hashes

Canonical text0f96cc39481a6ed7be435438629f3afc108f7213b121caf88d3acba52503c037
Markdown472e629c6f5de07c1e65e80cfc888c17ad5f6a0d0303dd0ed71f4c8257ff5c8e
PDF
Publication pageb0eb514ebca28e33a7185d2ea998c4898b0c6d760c553c65f7a955c13669e767
Manifest819e35e72b12c5f7eaf2e679d92fbe086016f26798452738d383572ed72a9cfa

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
SignaturejhYwoONJ7z3IiGnL7y64cUX0TrT37prhpRuaZOnt3D9zEbzqRyl8Z8+Mfgx254DfKwrgvyawHJhHIX0DI2k0Bw==
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

2026-09-17T09:57:18.763894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083687
observed b0eb514ebca28e33a7185d2ea998c489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.747059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083687/manifest.json
observed 819e35e72b12c5f7eaf2e679d92fbe08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.729217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083687/publication.md
observed 472e629c6f5de07c1e65e80cfc888c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.710068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083687/publication.txt
observed 0f96cc39481a6ed7be435438629f3afc...
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.