OpenTechnical

OT-2026-000009956

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, vented after 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-2026-000009956) never changes.

Identity and time

Publication numberOT-2026-000009956 · never reused
Internal UUID01a0ae6b-cb79-7d69-b3ab-e522d5cf7f0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009956
StatusPUBLIC

Content hashes

Canonical textf16fd8c07bb7b558d4c409074ddee25184fa4765356fe55a90a474739fd43019
Markdown2b646ed4910381f3de7488bbd2bb8f4520bc8b6302e037da9449e3a02adde94b
PDF
Publication page40852531b702e83452a554464178d2da3718fab9be345ba8d5b9d5dbd3ee73b7
Manifestc684f46880879d17388bd3497c353e86bb7753281ac1116a7389a4715f82df46

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
Signaturea/ERDHuF3EtQZv+TJwngpkP1dp7bIStb0k4igxBT/UpusCoymxMifCgRGGkBUtF2x1II7qikc1LaSyf5z8vcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:59.497941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009956
observed 40852531b702e83452a554464178d2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.480695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009956/manifest.json
observed c684f46880879d17388bd3497c353e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.460754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009956/publication.md
observed 2b646ed4910381f3de7488bbd2bb8f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.441151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009956/publication.txt
observed f16fd8c07bb7b558d4c409074ddee251...
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.