OpenTechnical

OT-2026-000044753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000044753) never changes.

Identity and time

Publication numberOT-2026-000044753 · never reused
Internal UUID01a0ae7c-911a-7d08-b4f0-9ad2d96e7e29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044753
StatusPUBLIC

Content hashes

Canonical textd6d9f3c11cf3039a27834e720e42f141bb2322183be8ab511c4e4de4d5c214cc
Markdown9b984551bb2a6f91662adc172eb39f2cbcbaa75fd8699132ae453e8fd2cf15a8
PDF
Publication page22e9f5330b6983a40e354828e0f3782bd20c1d7a70c7d55ec8ff09b906768179
Manifest7b329db6fd2479aa7d829ad11c3aebb3faf932d899eebdbf0587eab0e99dc757

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
SignatureQVDOHlWWN1YzWKfBzXc7O6hQBMia/fsX5AHqCXWKUrQPc8EZe1MPNCBN1TMQrAzhk2zJFlNL1nCO0BnZNNLfDA==
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

2026-09-17T11:11:22.217580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044753
observed 22e9f5330b6983a40e354828e0f3782b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.198421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044753/manifest.json
observed 7b329db6fd2479aa7d829ad11c3aebb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.178607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044753/publication.md
observed 9b984551bb2a6f91662adc172eb39f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.159141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044753/publication.txt
observed d6d9f3c11cf3039a27834e720e42f141...
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.