OpenTechnical

OT-2026-000017154

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000017154) never changes.

Identity and time

Publication numberOT-2026-000017154 · never reused
Internal UUID01a0ae6e-76c7-7566-8d41-8dddc367578c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017154
StatusPUBLIC

Content hashes

Canonical text56a86f5e417c8870f1af11b22ad84d83d2039ea3f336ca1a6e91f789a7f18cb7
Markdownd33588bb3e26b68eb57b2e9267485cf2d4491b565960c84bdfd7cb2d0383a95e
PDF
Publication pagebb9c5c8e0b162904a852e9688c2ff9eb2beabd580c9792df63b890550a597f9c
Manifest877913e77c60091e009ae5c04466409d0e397591a29621ca4ca4864706cdf405

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
SignaturetZADCdO6Id4PnOhget3S95nX3EsfQhcrga/QraugK8/HzZLcbwi8IPutKmCewLfoabuh8OAg7rWzHU9VVWFCCg==
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

2026-09-17T12:02:12.936038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017154
observed bb9c5c8e0b162904a852e9688c2ff9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.919409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017154/manifest.json
observed 877913e77c60091e009ae5c04466409d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.903824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017154/publication.md
observed d33588bb3e26b68eb57b2e9267485cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.886455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017154/publication.txt
observed 56a86f5e417c8870f1af11b22ad84d83...
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.