OpenTechnical

OT-2026-000054103

Publication integrity record

Two cup 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-2026-000054103) never changes.

Identity and time

Publication numberOT-2026-000054103 · never reused
Internal UUID01a0ae85-b3a8-716e-9c55-f3483ea3388d · 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-2026-000054103
StatusPUBLIC

Content hashes

Canonical text815386d3da96732a38240737eae48af23cb4021ec50c7ac7596d54fdd08775b0
Markdown05fab9d904f5d50452adc47779102c63a2d436cf8128b2aa45b8ac4aa13ac47d
PDF
Publication page91c46ecf89f1793618ecb29592b34b0728f9de89185c9cd60f89f9fe3a12ffb4
Manifest536319b80adcee7d5155a240a5af3bb2578ef04d493a14b393327f7282841eb1

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
SignatureiU2kqUAPAQlxpmsSg41WVb9HjmnjK0YruHH16gVYMnrAmfPpYnBgZFmdlvtNVEuMJCjedkzraK7kZKEktqclAQ==
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

2026-09-17T10:54:29.708806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054103
observed 91c46ecf89f1793618ecb29592b34b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.689925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054103/manifest.json
observed 536319b80adcee7d5155a240a5af3bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.671244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054103/publication.md
observed 05fab9d904f5d50452adc47779102c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.654670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054103/publication.txt
observed 815386d3da96732a38240737eae48af2...
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.