OpenTechnical

OT-2026-000053348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000053348) never changes.

Identity and time

Publication numberOT-2026-000053348 · never reused
Internal UUID01a0ae85-0a16-7880-b709-a8cf71df6561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053348
StatusPUBLIC

Content hashes

Canonical texta28af1c999a51bfbbf12aa6175c9a5fb190007d8ecf3838fa174ee3e9d723d0c
Markdown7195fcd6dafedecdbc8f8c00f56bf3c329a43e5dedafaab1d1b3acc311b488eb
PDF
Publication page5ea935f2cf89c845d837162d448de6a1e3d95eb6b807f4049d3d808815009449
Manifestb01dd2a077022826a70039e3c226ec90a792332529efb05e51d88e4db2a66858

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
SignaturePeWx+T+SQ/wjuJowiPC19zA2tEJhEIIiicAQVK1EMKU1DTbM6AC+ABvP0dsWPlBvDpGsH1siCU2qITXxiezbBQ==
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

2026-09-17T10:55:03.494161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053348
observed 5ea935f2cf89c845d837162d448de6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.476275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053348/manifest.json
observed b01dd2a077022826a70039e3c226ec90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.458103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053348/publication.md
observed 7195fcd6dafedecdbc8f8c00f56bf3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.438091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053348/publication.txt
observed a28af1c999a51bfbbf12aa6175c9a5fb...
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.