OpenTechnical

OT-2026-000021430

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000021430) never changes.

Identity and time

Publication numberOT-2026-000021430 · never reused
Internal UUID01a0ae6f-865d-76e4-811c-91e3a877a562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021430
StatusPUBLIC

Content hashes

Canonical text9d7ef89c77e16fbf473c3a1ac6ebe42306d5a0fa98a13902f6ddb947baaf4295
Markdown31ab286024a5a0a54a3c00ecce811d768adf65b61dac27bfa830712eae06ecac
PDF
Publication pagea6806f5b4f0845b31f8021a7071a06f95cfb345e851660c60fc199accee567fd
Manifest00f39f88f128260c827a9ab94935624bad1160d734ade919e9b0588b28a05d1e

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
Signaturefcs+9x79awm1A1Y2qIXMM6A+AXo2NeITIVKJ7AJKRUajHtPH/2EAutDuNw6c3GlgCaLpZXUBPW0aoOckWR/GDQ==
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

2026-09-17T11:55:20.176401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021430
observed a6806f5b4f0845b31f8021a7071a06f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.151464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021430/manifest.json
observed 00f39f88f128260c827a9ab94935624b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.127114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021430/publication.md
observed 31ab286024a5a0a54a3c00ecce811d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:20.106702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021430/publication.txt
observed 9d7ef89c77e16fbf473c3a1ac6ebe423...
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.