OpenTechnical

OT-2026-000086252

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000086252) never changes.

Identity and time

Publication numberOT-2026-000086252 · never reused
Internal UUID01a0ae99-e82c-793e-abe4-1f9b4040f2f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086252
StatusPUBLIC

Content hashes

Canonical text72bdc8c23a1b60e6968a2e3ebcd3adef2ee9ea5646454fd390ec55bb85eec657
Markdown9542e3b038e883fcabc3273d8a019b0cf480a668644b0f45b343b0efdd916dfb
PDF
Publication page39028f836c1d28d7a9f61cced70e73ba9ccc2b7b36e9d02f4a9513cdb6763423
Manifest1bcef03eb91bedb111c4d893969c4d214852435517c66ceb810fd21b5d321117

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
SignatureVJLfMOlzULXHja4PR4MAWmWUT+wCzpv5129kOXeqtSZlayhsZjSQvrMP08SatVQY1MQ9vKtj1iKcOHM6Yn0IDA==
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

2026-09-17T09:53:56.670778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086252
observed 39028f836c1d28d7a9f61cced70e73ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.652547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086252/manifest.json
observed 1bcef03eb91bedb111c4d893969c4d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.634799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086252/publication.md
observed 9542e3b038e883fcabc3273d8a019b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.614409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086252/publication.txt
observed 72bdc8c23a1b60e6968a2e3ebcd3adef...
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.