OpenTechnical

OT-2026-000020805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000020805) never changes.

Identity and time

Publication numberOT-2026-000020805 · never reused
Internal UUID01a0ae6f-65e3-7f16-9cb1-1357ca549020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020805
StatusPUBLIC

Content hashes

Canonical textd916bcbf82f45a40f921d746ccf9a30126eb8e8998ecf6400c24a4c9440eaea4
Markdown8e2a7a1691f3cfe36d09f33fee5b15088131b4d4fffdedd48978afdc67572d4e
PDF
Publication page1b15d917705b0949c3048e32276e47c38921ca628d1968f57afcb03767acc9de
Manifest8d7f56b00680bd0656bc77268711d76de811ec552464c5a2359a5c8dd5c44ef7

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
Signaturegl7uxAVYcdkbdc5lolakYIRFZ0EVY1eXOCCRxZu9/FIYbP6E513+zagNNfVYZGedcgjN5Xc7ENsSesiOF1kmCA==
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

2026-09-17T11:55:53.490701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020805
observed 1b15d917705b0949c3048e32276e47c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:53.471955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020805/manifest.json
observed 8d7f56b00680bd0656bc77268711d76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:53.453776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020805/publication.md
observed 8e2a7a1691f3cfe36d09f33fee5b1508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:53.435498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020805/publication.txt
observed d916bcbf82f45a40f921d746ccf9a301...
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.