OpenTechnical

OT-2026-000054316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000054316) never changes.

Identity and time

Publication numberOT-2026-000054316 · never reused
Internal UUID01a0ae85-b3a9-7374-83f1-1bb9a4091bbe · 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-2026-000054316
StatusPUBLIC

Content hashes

Canonical text3c369234ec1b10db1dd1230e59a629be2fc61555413f781dc1a61b985c280e09
Markdown16cae65f826bcd566d898563ecafc16e36b7ca3c52a607b9d2bd3b3b31dbe27f
PDF
Publication page539e8d6e0c22208616b12a3fd78e7cb8a5a7f395d52641d6d3e61b537948b7d2
Manifest1b4eae0ab255e94bcf75b41a03df3e6dad12f03aec820706987f9a6f94e71734

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
SignatureMwc0Ru2C+/srCMMI7bfzjk2H39mHwS0abIPi7ZdK+WutWzCI4OPhYaElYHYDgGzJfaXp5JcYzy4mK29Ifw2pBg==
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

2026-09-17T10:54:49.438937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054316
observed 539e8d6e0c22208616b12a3fd78e7cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.420555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054316/manifest.json
observed 1b4eae0ab255e94bcf75b41a03df3e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.400626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054316/publication.md
observed 16cae65f826bcd566d898563ecafc16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.381000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054316/publication.txt
observed 3c369234ec1b10db1dd1230e59a629be...
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.