OpenTechnical

OT-2026-000103412

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pulsed blow-off after 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-2026-000103412) never changes.

Identity and time

Publication numberOT-2026-000103412 · never reused
Internal UUID01a0aea4-e460-765a-8785-2ca3d46f434b · 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-2026-000103412
StatusPUBLIC

Content hashes

Canonical textcda148b5fcd7d8012198d9b146a57bebf9de5b6a3512631fc01ad5523b4823ce
Markdown6198b3a854cbd38a0412ff652a41bf79d98b04db7c1b659b010199ce44459018
PDF
Publication page8740d06c5c5c12f0d70c2da198d6d252674f80bc4294bda2b7f76a27711e7579
Manifest2190315d978d74c8065ac4a0ff959832c248448c908521414d937a049dfc5736

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
Signaturef3TJVDXpZ9ELZDtqFyM2vpV0n9RFVFp8L9D72DAElqZOblgSD5br8WrjSd5JcSBRazuacEQSbARZ2X41ArFyCA==
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

2026-09-17T09:22:09.540683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103412
observed 8740d06c5c5c12f0d70c2da198d6d252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.523350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103412/manifest.json
observed 2190315d978d74c8065ac4a0ff959832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.505588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103412/publication.md
observed 6198b3a854cbd38a0412ff652a41bf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.489399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103412/publication.txt
observed cda148b5fcd7d8012198d9b146a57beb...
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.