OpenTechnical

OT-2026-000045604

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000045604) never changes.

Identity and time

Publication numberOT-2026-000045604 · never reused
Internal UUID01a0ae7d-8f03-73fb-b941-509b6a4824ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045604
StatusPUBLIC

Content hashes

Canonical text9a39f410892308b2e6f4fdc23db32fc1a3b41fcd1e2744555fb3fde213434dbf
Markdownf24e8533922f34c76e38083def509725ba36cb43ca09a1b7ba08fe4114fea2ec
PDF
Publication page4019a181d24ae321db52be08e1932739dbe809b1c4fea762f70f8923788c39f5
Manifeste3f3213f14e5b2e726ab7a6cd7165e777872ea8bedb1df380cc41a2525884427

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
SignatureIB/l3gByXnIOWuiF9ZcUdToXRZetp36uCeC3t/KGulLdVUNR6YIJ9AW743xVzHvjL1u3T8LyQjqZGCv9eEowCQ==
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

2026-09-17T11:09:22.755294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045604
observed 4019a181d24ae321db52be08e1932739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.737237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045604/manifest.json
observed e3f3213f14e5b2e726ab7a6cd7165e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.718893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045604/publication.md
observed f24e8533922f34c76e38083def509725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.699385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045604/publication.txt
observed 9a39f410892308b2e6f4fdc23db32fc1...
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.