OpenTechnical

OT-2026-000100477

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000100477) never changes.

Identity and time

Publication numberOT-2026-000100477 · never reused
Internal UUID01a0aea3-66ef-7379-9c49-8ac8cb82e65c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100477
StatusPUBLIC

Content hashes

Canonical textcea10b58f301a2555344cc87c7e89551c19c953d770f31dd0234afacff9d292a
Markdown4acf0a78d2fe0bc68b39bf1891a95ff7baa98dcdf4e9c45b37003a2a604fc338
PDF
Publication pageaabc31819048f3bcb11e42911b9c599670320e0cd844cd6ea130fe7121eeeac8
Manifestdbadbd36b3e4ee3e7ae909c006ed532f973884104593296af78f99c0286e0183

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
SignatureLBaN3Fa8YlpvjofqxOhSnhf1UjUzIKD05NLki5Wu53vWOslwFEFAR9yA87mTVT9SSS9YbTYwuEP3764yEPtLAw==
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

2026-09-17T09:27:14.000596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100477
observed aabc31819048f3bcb11e42911b9c5996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.870796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100477/manifest.json
observed dbadbd36b3e4ee3e7ae909c006ed532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.852647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100477/publication.md
observed 4acf0a78d2fe0bc68b39bf1891a95ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.834441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100477/publication.txt
observed cea10b58f301a2555344cc87c7e89551...
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.