OpenTechnical

OT-2026-000073269

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000073269) never changes.

Identity and time

Publication numberOT-2026-000073269 · never reused
Internal UUID01a0ae92-efb7-79dc-9792-2965672fc239 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073269
StatusPUBLIC

Content hashes

Canonical text2f40e4719149b3b48e8de2082cfc632671bb5cf1e11af1d9da0168674c410fc3
Markdown31bd34c36166f4c55f63dc96a0013198caeaf884c93673f392c8550e1fd18550
PDF
Publication page2229291fe00f5b24cbd976a2ece8a732816e23dfa04f7942eea9032e32d08f9f
Manifest7b7c33966210e0d3a2bb152905fbc886831a88f036ff1a14d49eebb2a280c9eb

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
SignatureJZYPDPeaZ+nJUJho8ZD5J02V42Mhg5wfXrv0W1dB4bWh/k5IBAI2QNJSj21v0fOe5AQvCeKy5BmWxsToTFJZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:16.296155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073269
observed 2229291fe00f5b24cbd976a2ece8a732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.278221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073269/manifest.json
observed 7b7c33966210e0d3a2bb152905fbc886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.260015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073269/publication.md
observed 31bd34c36166f4c55f63dc96a0013198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.241691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073269/publication.txt
observed 2f40e4719149b3b48e8de2082cfc6326...
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.