OpenTechnical

OT-2026-000060444

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000060444) never changes.

Identity and time

Publication numberOT-2026-000060444 · never reused
Internal UUID01a0ae8a-b7cb-7857-bb50-9e583359ef07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060444
StatusPUBLIC

Content hashes

Canonical textd190fcf17658c7f6d0ad495b91ec64553447605d97d53067ceca628df8d72377
Markdownd7f9679a6c8c788a8ebb3969857e4280ca03cad5d7d5a02025c0b42b646fbe59
PDF
Publication page553c69e61d579ff08e948432b11d4252c92c2cee837ce2659a77b4d391ba17e4
Manifest3917669eb8b0b433eed8847d40078df6d5f55c3a35ce369b714335eaea15fa04

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
SignatureZgUImdJf7DV3W8EQmBJ1m4UoqFUCyiRl3jU47YLnBQ7ky1QcqijV40piTML9RvKEXz4jPwpi8oY81goRXdtmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:55.521138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060444
observed 553c69e61d579ff08e948432b11d4252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.502617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060444/manifest.json
observed 3917669eb8b0b433eed8847d40078df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.484526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060444/publication.md
observed d7f9679a6c8c788a8ebb3969857e4280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.467398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060444/publication.txt
observed d190fcf17658c7f6d0ad495b91ec6455...
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.