OpenTechnical

OT-2026-000054276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054276) never changes.

Identity and time

Publication numberOT-2026-000054276 · never reused
Internal UUID01a0ae85-b3a9-7d2d-b295-6d1e97ef40c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054276
StatusPUBLIC

Content hashes

Canonical texta205a84052b4511c8ec873f65109d344e9334a75dd2bd864fafec79dfdc44f32
Markdowncac375dd9d7013c39a4c2e8fdc60e231a17856f5f431aeeba435b7d27141eaf2
PDF
Publication page8efea5fe85e6869356a4bdec61e87a1375c6322eb4d6afd5d64ec0020d9b30bb
Manifest3527e20e81fbb344c2d002f6fb6d1bc0f595e6ea304293d03d8ac2aa18203943

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
SignatureDwCDjMHfy6z/wOo9/iGjeKyqVjpx2S3TNgMeiKyfMouoc6li25iZR4oLOO1ZF9pu/YmuoL6rV49D65TMEbYWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:46.223059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054276
observed 8efea5fe85e6869356a4bdec61e87a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.204893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054276/manifest.json
observed 3527e20e81fbb344c2d002f6fb6d1bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.185146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054276/publication.md
observed cac375dd9d7013c39a4c2e8fdc60e231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.164656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054276/publication.txt
observed a205a84052b4511c8ec873f65109d344...
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.