OpenTechnical

OT-2026-000058295

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000058295) never changes.

Identity and time

Publication numberOT-2026-000058295 · never reused
Internal UUID01a0ae88-f398-72bd-a6bc-a4e34580afea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058295
StatusPUBLIC

Content hashes

Canonical text9a6eb732799141c76b132814ec18cf94e69714a6cbbff563d852d26bb7bdf440
Markdown13b2fe182dca8c6b97ace541a75bdbcfbcc09d9dd8decc8c4fbdd2cf344c9d2d
PDF
Publication page86a37e40a8caa5323903b178830df16d46b2dd8a004b0b545fb378ff047698ef
Manifestce17c8e2c1efcc0b10fba2b1161c3b822dbd7ad5d793fceab1291a131542d289

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
SignatureN/DVMBiZeY56GoZ7r/KGpmENwgVAYbO/6kVMlgwzzCTOscuS+q5BEcFMEoCO/xDLyw508qkM6HZB6kwveXrABA==
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

2026-09-17T10:46:41.400208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058295
observed 86a37e40a8caa5323903b178830df16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.381888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058295/manifest.json
observed ce17c8e2c1efcc0b10fba2b1161c3b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.363190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058295/publication.md
observed 13b2fe182dca8c6b97ace541a75bdbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.344934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058295/publication.txt
observed 9a6eb732799141c76b132814ec18cf94...
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.