OpenTechnical

OT-2026-000054226

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054226) never changes.

Identity and time

Publication numberOT-2026-000054226 · never reused
Internal UUID01a0ae85-b3a9-78b2-9379-f0b34e803ca4 · 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-2026-000054226
StatusPUBLIC

Content hashes

Canonical text591b0d0c9b086a63c3fbcea2e67137680cbb9fd08553bc4d24acdd942b278c66
Markdowndb7bf79c378618408900f7b4b450ab90d336e140a921f7dc5a50ca2c8a2e9453
PDF
Publication page3010c1646e663c4aa20bd8a9d320c4999089b06dffce26900f0a27aecd36bd7f
Manifest432c1bffafc4ff11f84cef12975b4cfb2abfd4e675a934a32814385011640994

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
SignatureC2gOUbHzLtMZV3tgM0U5WYdbyVEEFfcb5nkZvDHnSFOVeSSmPljrb7QnYVTv234WgLuIUNdITPHVOcQLzXz1AA==
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

2026-09-17T10:54:42.503671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054226
observed 3010c1646e663c4aa20bd8a9d320c499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.485393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054226/manifest.json
observed 432c1bffafc4ff11f84cef12975b4cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.466495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054226/publication.md
observed db7bf79c378618408900f7b4b450ab90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.446977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054226/publication.txt
observed 591b0d0c9b086a63c3fbcea2e6713768...
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.