OpenTechnical

OT-2026-000013762

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000013762) never changes.

Identity and time

Publication numberOT-2026-000013762 · never reused
Internal UUID01a0ae6d-8de9-7f02-bd78-fe7d538bd612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013762
StatusPUBLIC

Content hashes

Canonical text8636fce5c1eb227d3566e1483b118b0cddcce0c4d696f10ead7531ea61cdccd6
Markdown654776649c90c6a4556e515e373a94424490ece1b5a6a784f943fbb450eb0b3b
PDF
Publication pagebf485ca09294050b0a32ff75a4db29dcc7b801729637843e3ea911bdf52b9148
Manifest6b5e6de2b996c3cebcaa986faa9826cae10a969bbf5fd8dd8fa5ec27f0c3c94e

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
Signaturey4iqhD+svQK49CavPQcbSXEhrNKonEEu9kxWst0xyIOBGVrgYOZts8On7IgooXqZxKdFqUxT+dczAdiP9nrjAA==
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

2026-09-17T12:08:50.270290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013762
observed bf485ca09294050b0a32ff75a4db29dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.248925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013762/manifest.json
observed 6b5e6de2b996c3cebcaa986faa9826ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.229307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013762/publication.md
observed 654776649c90c6a4556e515e373a9442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.209266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013762/publication.txt
observed 8636fce5c1eb227d3566e1483b118b0c...
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.