OpenTechnical

OT-2026-000004654

Publication integrity record

Bellows cup vacuum gripper, two zone face, two outlet manifold, ejector fed, contact triggered

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-2026-000004654) never changes.

Identity and time

Publication numberOT-2026-000004654 · never reused
Internal UUID01a0a91e-fed0-796c-b72d-4e7de6b2a781 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:29:35.955319Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004654
StatusPUBLIC

Content hashes

Canonical texte5879f15e29311d0145a487d0bfe45eece25fcc082a9ee571330d6e3f28566dc
Markdown8130a172ff180a11408ff672eaea6003b1a2e83c02b24e50f012c848b9e13cac
PDF
Publication pagea40cab76a9fcd300970cd1f3e579a99df4694a28b7fce069d5387779fdf30746
Manifest523382781055564202f90f15a70242656704b4055bcab1f5ca4707709b39783a

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
SignaturelnEvxxJesD+ISeULLoNhkRpQBJUrhUumx8I3B7Xgz8V5Poq5izMBp1I8tuoX/fPXSm+bQvAgEeugF72vdEz7Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:04.184756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004654
observed a40cab76a9fcd300970cd1f3e579a99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:04.170928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004654/manifest.json
observed 523382781055564202f90f15a7024265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:04.158448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004654/publication.md
observed 8130a172ff180a11408ff672eaea6003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:04.145067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004654/publication.txt
observed e5879f15e29311d0145a487d0bfe45ee...
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.