OpenTechnical

OT-2026-000044430

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044430) never changes.

Identity and time

Publication numberOT-2026-000044430 · never reused
Internal UUID01a0ae7c-39d7-703b-b6fd-ec46e1971291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044430
StatusPUBLIC

Content hashes

Canonical text2f796cfa2d4f4a9f3930e20d56d5205b33ba7516a6924ff4f03fa84a454c1118
Markdown47b3bac2c23233c7d379950ebe5c2696fa319ea70a3c2497304ab62bfd173c9c
PDF
Publication page3d8ad4354e0c5b917fe54e3f25cd73b0ace47663e69fa00f1ae233673cb54638
Manifest99b88656dc1e8f6de5fde95be1373866499055297c389c3c50c10c5d7c1c5547

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
SignaturebCJBX1M8wr2lIHn5j3PgwGcrpVNhGZvs1nkoGASW+qrV7aCzDsNBlkSTf31C/UPrX76zmDVaSCgLhN03J5OJAw==
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

2026-09-17T08:30:44.778148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044430
observed 3d8ad4354e0c5b917fe54e3f25cd73b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.758763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044430/manifest.json
observed 99b88656dc1e8f6de5fde95be1373866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.738563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044430/publication.md
observed 47b3bac2c23233c7d379950ebe5c2696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.716542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044430/publication.txt
observed 2f796cfa2d4f4a9f3930e20d56d5205b...
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.