OpenTechnical

OT-2026-000068783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068783) never changes.

Identity and time

Publication numberOT-2026-000068783 · never reused
Internal UUID01a0ae90-6dcb-7039-912f-89ace2577a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068783
StatusPUBLIC

Content hashes

Canonical text59df4841049062c9b6ed3fbe07195d9a480c951a80ca6f30604353d34d9dbd65
Markdownd7add0fb43fc29745f227425957b744e7af4784747693a6f6a8b890b7f85b99e
PDF
Publication pagea9ad22d7f9e59a4e80221529c99901b442e131d5bea4c58f86924627157a89ff
Manifestcf3654ffaabf041dd896eefc37c7a2fc32f7f982804e6621fb0e556600409f5e

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
Signature+5ElSwjirDUi1tHONuoEx51H/nCF7X0p4lLf6N9VrHFYfCvYJOMU5bJux9t5PkVrJ8YifgRLaZON+dZwgvFOBw==
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

2026-09-17T10:28:34.614644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068783
observed a9ad22d7f9e59a4e80221529c99901b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.595862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068783/manifest.json
observed cf3654ffaabf041dd896eefc37c7a2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.577780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068783/publication.md
observed d7add0fb43fc29745f227425957b744e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.559461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068783/publication.txt
observed 59df4841049062c9b6ed3fbe07195d9a...
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.