OpenTechnical

OT-2026-000026140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026140) never changes.

Identity and time

Publication numberOT-2026-000026140 · never reused
Internal UUID01a0ae71-a840-734f-acd0-ff85cd9f1042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026140
StatusPUBLIC

Content hashes

Canonical text299815728959b95c542adfc3ca2e723d80cf03bd0e9f51df7e9d4050fe7afed1
Markdown0c1d528f3a4072e100be5e3c9cadf77cad82e2e868b1dac96fe76e6ad0060f21
PDF
Publication pageb96dcccb7663ad98130d42710741ef3b5e7de5c05e94fcff0163a2146d6188fe
Manifest4290b65d5a9e125d298d86d6850ae59c6e3f91e1831c1f8c0530374788a355e9

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
SignaturekLZ59X8CMCK4Fjvi9OMKtoqqBDwR0vBEbEOkv6RVxQWuaQ9V/7wtT9jVqB2cIL/o8bHovg2rqSr+Fag2pR0UBQ==
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

2026-09-17T11:46:38.861888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026140
observed b96dcccb7663ad98130d42710741ef3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.844330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026140/manifest.json
observed 4290b65d5a9e125d298d86d6850ae59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.826061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026140/publication.md
observed 0c1d528f3a4072e100be5e3c9cadf77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.809350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026140/publication.txt
observed 299815728959b95c542adfc3ca2e723d...
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.