OpenTechnical

OT-2026-000033691

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000033691) never changes.

Identity and time

Publication numberOT-2026-000033691 · never reused
Internal UUID01a0ae75-a390-7705-9bbe-87e3039ff3fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033691
StatusPUBLIC

Content hashes

Canonical text17f62955161233456ceb99c45dd5047640e1e00bde6343b99d05d6a35bf9ef9d
Markdownb35624933e8c5616d6fb20b910d19024e128a066d75d4478544d513cbe598f26
PDF
Publication page74723f7aeadf9af57c45d73c2d041ee78a2323b6f90d61698a9502447d00f74e
Manifest4b2c9da453ef17e1b361c0f38d2d3663b67a0cdc96d117e3a5da72fe6502f0fc

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
SignatureZzS7yyRtAI+DE0S9PfgsxntK3wBHlNzNueBbjzbsdjOHZbGpJPcU3AUwzlUF7Kzd1Z2viDhE1q8wxOnpmtV3Aw==
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

2026-09-17T11:31:41.109814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033691
observed 74723f7aeadf9af57c45d73c2d041ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.092592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033691/manifest.json
observed 4b2c9da453ef17e1b361c0f38d2d3663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.076797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033691/publication.md
observed b35624933e8c5616d6fb20b910d19024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.060090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033691/publication.txt
observed 17f62955161233456ceb99c45dd50476...
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.