OpenTechnical

OT-2026-000100578

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100578) never changes.

Identity and time

Publication numberOT-2026-000100578 · never reused
Internal UUID01a0aea3-66f2-7e65-bcda-50f943da9bcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100578
StatusPUBLIC

Content hashes

Canonical text72d4350662938f07c93517c62da2ae38006ece1de15f20b2106cb92b708e046e
Markdown6568791aed195f66fe92bdf34b82c24bfc30b74209c5337c9c5193cdae07eba0
PDF
Publication page6e2f804e2196d41af083413736ac3b29aa4a9acaeae616e9d2ded73ef49bdf03
Manifest8eeade912e4c3a01379d4d20947c552fec64214031c59e3ac78a0efe9717e8b7

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
SignatureC/4rIS0AoD5IIhBRPP5mxT7eE0VejcK6x1Yu7T0sH2FZyEktbSEnaiQUnidhqprpAYce2pXq1WbYkgnicI2+DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:21.720826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100578
observed 6e2f804e2196d41af083413736ac3b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.701921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100578/manifest.json
observed 8eeade912e4c3a01379d4d20947c552f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.683991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100578/publication.md
observed 6568791aed195f66fe92bdf34b82c24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.667579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100578/publication.txt
observed 72d4350662938f07c93517c62da2ae38...
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.