OpenTechnical

OT-2026-000039019

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039019) never changes.

Identity and time

Publication numberOT-2026-000039019 · never reused
Internal UUID01a0ae78-9672-7ba3-8f82-1c634ab06419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039019
StatusPUBLIC

Content hashes

Canonical text3dd830d4aaa3981ccda9bbf20e0851a1429cf18eb3db2e72c418c8df51083364
Markdowna2275af297c3a9040ad7a0e2952d238d8e567d5187555640e2b4e1b08b527daf
PDF
Publication page226875f8ccec05603aecdb466353233d15d7666cac7ea483e4acf767797326cd
Manifestb3f849cd83fab0ead0cee4285a8ad0292c60c1082742a19c9c8b0f83deb3e447

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
Signaturefs38dgQZeTuqIDgDxHC04ZzghoLgEyvOmOpFlBSUkgCqHrBJ3Ug/weGD+PE1eLUWvvihM0E6HKkAIqcFDt1TCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:21.836483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039019
observed 226875f8ccec05603aecdb466353233d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.821352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039019/manifest.json
observed b3f849cd83fab0ead0cee4285a8ad029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.804468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039019/publication.md
observed a2275af297c3a9040ad7a0e2952d238d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.786537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039019/publication.txt
observed 3dd830d4aaa3981ccda9bbf20e0851a1...
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.