OpenTechnical

OT-2026-000020010

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000020010) never changes.

Identity and time

Publication numberOT-2026-000020010 · never reused
Internal UUID01a0ae6f-1fb7-7584-b7fe-f11e8a1c78b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020010
StatusPUBLIC

Content hashes

Canonical text053232447b2d24bc9eb0d6eec8c8928e237e19c2a79f6a30d8dca1f63813ad5b
Markdownadce933d5360e97a477e11b2c6425393b40f6620bef8a7a163266bada97915ef
PDF
Publication page27dd0431436d74c24cfcf962e30d1d1b1098219b90b6462d1821a07f46049056
Manifestb61bcbbe88cb4ef1a17bb3e49d4c1bdaf85f376f1ed55cc70d7a4e5c452e3ce9

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
SignaturewkU3kXQhCgplVfFHpApg8GYO/Kp7tBt5MJ7lMMxFZNHbQQeyFPaBIO9Fq4O2fzvhm3VHvr5n+yG0Yd+4XgAkAg==
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

2026-09-17T11:58:15.631255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020010
observed 27dd0431436d74c24cfcf962e30d1d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.613787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020010/manifest.json
observed b61bcbbe88cb4ef1a17bb3e49d4c1bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.596332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020010/publication.md
observed adce933d5360e97a477e11b2c6425393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.578543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020010/publication.txt
observed 053232447b2d24bc9eb0d6eec8c8928e...
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.