OpenTechnical

OT-2026-000020933

Publication integrity record

Two cup vacuum gripper, two 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-2026-000020933) never changes.

Identity and time

Publication numberOT-2026-000020933 · never reused
Internal UUID01a0ae6f-65e4-7dc9-ba90-624ef797181b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020933
StatusPUBLIC

Content hashes

Canonical textcfab6067fe06b5fa6139efb5a8faffeec3269fb38b6d31a25d7059111567f2bf
Markdownee07459c063aa2cf4f4992713f2f8335bcc616aeed5c17b2c243607af63d236c
PDF
Publication page0e2dc8bdd45d5196587035a68b1c954621578d5c7754df59c2775738512ec350
Manifestfe0ad742ed96ec8a52d81908a7e85e55ccc5d73748695517771c6a5e453f3278

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
SignaturedBaAo85KhmKw7GQ84DTjl9MED48V1ShGk/hurZskcWNNZV+8XPegXJFVheMRNLHgfWLEEw+lyssrjtG9BuKzAg==
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

2026-09-17T11:56:03.756284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020933
observed 0e2dc8bdd45d5196587035a68b1c9546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.740085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020933/manifest.json
observed fe0ad742ed96ec8a52d81908a7e85e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.723556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020933/publication.md
observed ee07459c063aa2cf4f4992713f2f8335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.704339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020933/publication.txt
observed cfab6067fe06b5fa6139efb5a8faffee...
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.