OpenTechnical

OT-2026-000100901

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100901) never changes.

Identity and time

Publication numberOT-2026-000100901 · never reused
Internal UUID01a0aea3-c376-7040-ab3e-82a8445cd8f6 · 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-2026-000100901
StatusPUBLIC

Content hashes

Canonical text9afd9769a14f9b3cf391b58460d35cdc1d89e9c3b1757f50a6d8d30af44b658c
Markdownbdd2305d89107ff7b8fb2722aae9ad65f23ac6825e40cb3b5f20203c717d5a4e
PDF
Publication pageb87d15d5ef28375f6c5fa71b4f94c0fe3c9fcb7c638d28c2a635c597288eb1d1
Manifestc59d17e8f9523cf52ea046f8f3472cf915743089204079d6c26909704c09e42e

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
SignatureNh72rk8/8MnatCT3q/x3nLoud8dNDkxteS1JhnqRzJizyVS2sATyozUkp9tcRxEbzPzq7qztSpsE7baTCPtLCQ==
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

2026-09-17T09:26:23.806761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100901
observed b87d15d5ef28375f6c5fa71b4f94c0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.790839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100901/manifest.json
observed c59d17e8f9523cf52ea046f8f3472cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.774804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100901/publication.md
observed bdd2305d89107ff7b8fb2722aae9ad65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.758799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100901/publication.txt
observed 9afd9769a14f9b3cf391b58460d35cdc...
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.