OpenTechnical

OT-2026-000103471

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed blow-off 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-2026-000103471) never changes.

Identity and time

Publication numberOT-2026-000103471 · never reused
Internal UUID01a0aea4-e460-73d8-b4a8-4c31062cf7b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103471
StatusPUBLIC

Content hashes

Canonical text98859aede18db1535d4c17054166206f86d725550417ff73a6828de61a2a4e3a
Markdown99bca0b396daaf8998e2c90a62890410078bc08a00b18d3336aac9a05e536e7f
PDF
Publication page512c1bb5a1c950c4085a1f9e2a06311f7791a830b835661f470d6a68798de598
Manifest3db1fcc214bdaa7a638f386a8166aa714e4b963497c0192a7673b597d51ea005

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
Signature34O5VGePP3qzo46+y2+UeAjD+9iqBy2SK90Ewbq5x69kXtYIrSyulyLHmP4ASDtnO0db+9UivWMsnQVzmkaSCA==
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

2026-09-17T09:22:13.881402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103471
observed 512c1bb5a1c950c4085a1f9e2a06311f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.862581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103471/manifest.json
observed 3db1fcc214bdaa7a638f386a8166aa71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.845436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103471/publication.md
observed 99bca0b396daaf8998e2c90a62890410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.828887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103471/publication.txt
observed 98859aede18db1535d4c17054166206f...
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.