OpenTechnical

OT-2026-000101005

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101005) never changes.

Identity and time

Publication numberOT-2026-000101005 · never reused
Internal UUID01a0aea3-c377-78fa-9907-caf6a17ae6ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101005
StatusPUBLIC

Content hashes

Canonical textf7ce1c3a458e4b225ffe4a915353728ae4dc35efe0eb086cf30ff821737c2a6d
Markdown08ed1ffa0fcc766d46e78877996c2d3a3cc6935d53c55669eb5c783fe11b304a
PDF
Publication page4391b608b49395764146382617fd8a3126770665a0244a47887eb1665e992b65
Manifestaa23fc9f0abf14ce43c6e6ffdb19159f3eb6d031d87f711ba2acba1d522f2d4d

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
SignatureVzOtoDYfiuj58gpH0ly3ZrGk14byY58wxPxWwsGo5H/cFaOttaVXmumVulx/Rmn+D/r4P9BdY/r2OCR3wPZKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:36.366721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101005
observed 4391b608b49395764146382617fd8a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.348539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101005/manifest.json
observed aa23fc9f0abf14ce43c6e6ffdb19159f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.330676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101005/publication.md
observed 08ed1ffa0fcc766d46e78877996c2d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.312678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101005/publication.txt
observed f7ce1c3a458e4b225ffe4a915353728a...
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.