OpenTechnical

OT-2026-000030726

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030726) never changes.

Identity and time

Publication numberOT-2026-000030726 · never reused
Internal UUID01a0ae74-3fb4-7903-a357-09d363cc6907 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030726
StatusPUBLIC

Content hashes

Canonical text05c4b8fc60d059fc97497ff3f73d684594ed444e0734cb8eec2a70535a2fbd1b
Markdownc104fd15862e30900dfdbedca567dd6147ebb4758940fcf70acd3ee29a2ee2e0
PDF
Publication pagea5ba40e586366ef62ba321176d0281f35552ac272236b0feeec8896b6c4044ef
Manifest10b5ba1c6d2e482f4f38e38fdfa00e3fb2f04b7b1262650d050217cf3b2ddcb2

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
SignatureNOQgxav7MO5liMNd2tHEYcAMi2B+rCPSsvuPk4b7Bg7fgBHycFsSJVSX+V7QAcvfhLws7vRzLSnHP+lBmO89BA==
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

2026-09-17T11:36:39.380762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030726
observed a5ba40e586366ef62ba321176d0281f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.363517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030726/manifest.json
observed 10b5ba1c6d2e482f4f38e38fdfa00e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.343677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030726/publication.md
observed c104fd15862e30900dfdbedca567dd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.326952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030726/publication.txt
observed 05c4b8fc60d059fc97497ff3f73d6845...
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.