OpenTechnical

OT-2026-000053111

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053111) never changes.

Identity and time

Publication numberOT-2026-000053111 · never reused
Internal UUID01a0ae84-a431-73e2-b1a6-45051c3e5b3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053111
StatusPUBLIC

Content hashes

Canonical text2409e3d27ffdcf3521c3b1c4d392ecc5a86d5c398f451b202968b02972ebcb5c
Markdown90d11efa61d8a12eecc0388acc7a9a20fbaf26fcde6b8fd23db526f27f9f19bd
PDF
Publication page0609672599b834c0cf25ab4d8286be55100717e72a3051cc9b77de0d9e36ad47
Manifestbea767eae8c60d594080c399312a9c436ef644a5ca274481726780f115f99f6e

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
SignaturezEdX/2OX1fguaE/8mZa00YoHjaFjtGFE0xrNDuhMeLCRzbzEmnFWlwv17Bol6bzRfEGe2Da+ldtyBKqgMwXUCw==
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

2026-09-17T10:56:50.182523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053111
observed 0609672599b834c0cf25ab4d8286be55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.164307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053111/manifest.json
observed bea767eae8c60d594080c399312a9c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.145791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053111/publication.md
observed 90d11efa61d8a12eecc0388acc7a9a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.126978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053111/publication.txt
observed 2409e3d27ffdcf3521c3b1c4d392ecc5...
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.