OpenTechnical

OT-2026-000038705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038705) never changes.

Identity and time

Publication numberOT-2026-000038705 · never reused
Internal UUID01a0ae78-769e-7614-85f5-e2156e1b3cd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038705
StatusPUBLIC

Content hashes

Canonical text4bb68d885895e7d477d7759eadc2abb1623d185916373a38ee28e2b128413225
Markdown9f2b8f26bdb822fbadcd2178fdfb7e3f20b445227369471e1ffb31c4babd1bba
PDF
Publication page21af72a63eda246f26b349661f75912c178f95d84feabecb5e4b91915821c6a4
Manifest170e3cb01cf32caf4e0c3f631cecd2828e8113d9edc2f4eeb6aa95a50854d5fc

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
Signature40cnjXGX8mD752lKm/wHpD0FIwPwKbGeGhZ0pVET/jyinUqQFC1YX/R+HZERegTdTtu+V3R5ZBrtP/OwErAgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:13.573125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038705
observed 21af72a63eda246f26b349661f75912c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.555332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038705/manifest.json
observed 170e3cb01cf32caf4e0c3f631cecd282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.538216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038705/publication.md
observed 9f2b8f26bdb822fbadcd2178fdfb7e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.521894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038705/publication.txt
observed 4bb68d885895e7d477d7759eadc2abb1...
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.