OpenTechnical

OT-2026-000074005

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000074005) never changes.

Identity and time

Publication numberOT-2026-000074005 · never reused
Internal UUID01a0ae93-2b8f-7943-b083-06518abf24a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074005
StatusPUBLIC

Content hashes

Canonical textca8bde1ffa94581c486b3e8f856ca07c8e7d63c214f345396794084f9aee14e9
Markdownc4579368792111025685942f59aeb6f5f6b942d53481336e948cfbd59f27608f
PDF
Publication page9664e99e17d55778125f91d32d6ff02509f3446cfa870bdeb35f84f798aedf47
Manifest5d4ce29f67a3f6f2132d9c85563dfba83c14eca8d80192902090f1400c849670

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
Signature6l2iuifCjkeAD+wvJ0ZgjM3GyxRGIuIafGnIDVbKMrOYLfnqtm2nSKu42h6CS64BLB9Y1Xiu5kHfev71PiDJDg==
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

2026-09-17T10:20:18.179137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074005
observed 9664e99e17d55778125f91d32d6ff025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.159624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074005/manifest.json
observed 5d4ce29f67a3f6f2132d9c85563dfba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.138764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074005/publication.md
observed c4579368792111025685942f59aeb6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.120877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074005/publication.txt
observed ca8bde1ffa94581c486b3e8f856ca07c...
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.