OpenTechnical

OT-2026-000054083

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000054083) never changes.

Identity and time

Publication numberOT-2026-000054083 · never reused
Internal UUID01a0ae85-b3a7-7a86-afc8-ab6c52db4d9e · 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-2026-000054083
StatusPUBLIC

Content hashes

Canonical text95658f5377bfbec5b475268d3d5c20e701610f89feed00e4b2485c5f086353c2
Markdownc4c3b4a2a6a7126c5855e2b694bcc2dc14ab8783f4be47266586e00f17ef5bff
PDF
Publication page007c3dac0196bd225c26af0031a1d6fa3e9c96f7d2f139e1faa78c191add82fe
Manifest2f3ef0d1c507527fb6484c4eadc66d2b4b620191a03e9eba7602039d1b13f056

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
SignaturePpT/1AOAoFv5R05/87pP/yWxTW5CVnaKiGcablaKwpnbTrchDaW+FklnabR1YIU2iIE43PdjUpitt69wuydJCQ==
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

2026-09-17T10:54:27.979320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054083
observed 007c3dac0196bd225c26af0031a1d6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.958034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054083/manifest.json
observed 2f3ef0d1c507527fb6484c4eadc66d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.938455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054083/publication.md
observed c4c3b4a2a6a7126c5855e2b694bcc2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.918653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054083/publication.txt
observed 95658f5377bfbec5b475268d3d5c20e7...
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.