OpenTechnical

OT-2026-000079135

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079135) never changes.

Identity and time

Publication numberOT-2026-000079135 · never reused
Internal UUID01a0ae95-ccbf-799a-99b9-d93cfa7a13da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079135
StatusPUBLIC

Content hashes

Canonical text44b6f60bb50aac574a7ecc753f3ddb1e034ceb587e61812b1e51082315ad934b
Markdownf3b716907f97ec6137d63c4a226c155bc1e563c751455da12cc2a39bf9d92d40
PDF
Publication page53fcc044c0ae8c910d2c1a8a21f887ee54f3c0857552001155a6abe7b4a2fe0e
Manifest9a56da139e8bbdb480422e16e5dcfb5ccdfc38fb66c6b5218d1c4cd86bb6a865

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
SignatureZW2iE1ElfRggXyLdYMWUmMJMVdvB9F8RqSdzlrGJVi3Y/TvYLxZGpDH+zGObm+jTz4YEqUJKnAZ3GMWhZIw/Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:59.029919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079135
observed 53fcc044c0ae8c910d2c1a8a21f887ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.012092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079135/manifest.json
observed 9a56da139e8bbdb480422e16e5dcfb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.992352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079135/publication.md
observed f3b716907f97ec6137d63c4a226c155b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.974459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079135/publication.txt
observed 44b6f60bb50aac574a7ecc753f3ddb1e...
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.