OpenTechnical

OT-2026-000054079

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, 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-2026-000054079) never changes.

Identity and time

Publication numberOT-2026-000054079 · never reused
Internal UUID01a0ae85-b3a7-796d-87e1-fad17daa1061 · 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-2026-000054079
StatusPUBLIC

Content hashes

Canonical text0dd5cd1a92151a15b3119fda314f8ace1a45685fa4eb98c97126d9d520e57788
Markdown30d84c556c91a5bfa5ed71ecb1a1711cb84af46964b4b7f485d5cd43df7577d1
PDF
Publication page7236930e5aa191394eada61fc00e73933fc0cf7fb8bce4ea3c939f5a05c5fb96
Manifestaf75d9c39d426b8208e1de7744dc0aaf2cf1c65d5aca0c2df407aeb126d65813

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
Signaturen71h0Rgllr45ABEcKYCgaqrjPcX8sUCNBg5CZR47qKm8M5ftc1HQp15IsXO8nfVLRfXz+TArYUp7HaHtEsj+AQ==
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

2026-09-17T10:54:27.663869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054079
observed 7236930e5aa191394eada61fc00e7393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.644200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054079/manifest.json
observed af75d9c39d426b8208e1de7744dc0aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.625794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054079/publication.md
observed 30d84c556c91a5bfa5ed71ecb1a1711c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.607195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054079/publication.txt
observed 0dd5cd1a92151a15b3119fda314f8ace...
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.