OpenTechnical

OT-2026-000020132

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000020132) never changes.

Identity and time

Publication numberOT-2026-000020132 · never reused
Internal UUID01a0ae6f-4378-7a07-8db6-0670cd5d5fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020132
StatusPUBLIC

Content hashes

Canonical text038a8a5c008b83648fb47956bd86a1552eff3724b851c5e145e3af9e10aed762
Markdown704419f39b0b719ecf1586c7540d21c69ebd3aa7e020f265a4cc4a955c0f07d3
PDF
Publication pagefdca18a2a0bac00b09b7e8b65b684a85a0e52a3ed7ff9c6cff8955b2b351ee4c
Manifestf4bd1b2f6e3c70af259e66ac5427c0d8c8f703b69061b213ca535a0844bec1bb

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
Signature89NUXGNYA373Y9nhoJQF7pd1WKOYFZEOmB3LIE+a/KGYEjSt63ylU6lqB9sZKfdvW9QMg3tBK6kL6V/g9LAACA==
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

2026-09-17T11:56:26.397092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020132
observed fdca18a2a0bac00b09b7e8b65b684a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.380308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020132/manifest.json
observed f4bd1b2f6e3c70af259e66ac5427c0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.362403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020132/publication.md
observed 704419f39b0b719ecf1586c7540d21c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.344122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020132/publication.txt
observed 038a8a5c008b83648fb47956bd86a155...
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.