OpenTechnical

OT-2026-000088333

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088333) never changes.

Identity and time

Publication numberOT-2026-000088333 · never reused
Internal UUID01a0ae9b-5d27-7f81-94af-fbed993067e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088333
StatusPUBLIC

Content hashes

Canonical textf1924dc53b05c3b44d5154c6a23a938bcca04448f585e3e899b8817f9b2ee67f
Markdownefc2bfe31ef88a93eebdbd6924ff6d9eb90c273695248231578d575519c0a35a
PDF
Publication page20caab31cf7351757ef087b52bd7eb56bcde82d6e39f13b61f443f616a51c494
Manifest713510b369f527742102581b0d99af468f298c60f0509637a8e27035f7d30af5

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
SignatureWLQldbKADtci74LOF9Favg4Ig2o46UkVMERyVYHpt+FgUMqS5y/EUF99zlp+S215r8GE2vp9oaqLTYmQGXPbAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:40.129020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088333
observed 20caab31cf7351757ef087b52bd7eb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.109397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088333/manifest.json
observed 713510b369f527742102581b0d99af46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.089994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088333/publication.md
observed efc2bfe31ef88a93eebdbd6924ff6d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.071552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088333/publication.txt
observed f1924dc53b05c3b44d5154c6a23a938b...
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.