OpenTechnical

OT-2026-000090149

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000090149) never changes.

Identity and time

Publication numberOT-2026-000090149 · never reused
Internal UUID01a0ae9c-428f-705a-9389-48da19f1d03f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090149
StatusPUBLIC

Content hashes

Canonical text8703424364324d2973818c0bf0ce155191a2293ea2685f8042f84246f6477928
Markdown1f1bc2f8a95aed747e8f8eb2403615fecb1b7c70c82a9393f0757fe031437c22
PDF
Publication page00088c7dcd667266d7ef99fc072e9a4f63d0eed73f8e53e0527e8a0d56568fd7
Manifest0a931a8325569a0109011e40a04ff03bce194dc0751b877b878091963ad17086

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
SignatureclvXd8Dw8SjcQtDMqromC4mefw3heuFgKcyhx83DxuOw3fkHl3bLVSZ9rhCaYUPr+khNxoDLaM49RE+RFbQhBg==
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

2026-09-17T09:45:39.664252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090149
observed 00088c7dcd667266d7ef99fc072e9a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.642774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090149/manifest.json
observed 0a931a8325569a0109011e40a04ff03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.622576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090149/publication.md
observed 1f1bc2f8a95aed747e8f8eb2403615fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.599784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090149/publication.txt
observed 8703424364324d2973818c0bf0ce1551...
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.