OpenTechnical

OT-2026-000011954

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000011954) never changes.

Identity and time

Publication numberOT-2026-000011954 · never reused
Internal UUID01a0ae6d-1942-7fa2-a662-b76338272ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011954
StatusPUBLIC

Content hashes

Canonical text06ea3dc232187eacee1373394cf643a86177147e17b1a8e853452524ae641755
Markdownda12dab87b409927b30fe793c2517b3b536400cecdf4222cbf7e8b5482783e53
PDF
Publication page130866983fa8fea78c1bbc23f149efe4b663f8495132823cbf1d8c620e54dd6b
Manifest737c2db3ab7d6d394ca9e1a016a3a751e1d15cbadb3820a17c7009ad8e311475

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
SignatureU/te+lIaf0JlezWOTeWZBoRzSF2H4FOv5cEZ2XWfcbK6InVzW5osDZMaTMzH7LMrECgHuQqJxF1s0enXaM+LAQ==
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

2026-09-17T12:12:48.103947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011954
observed 130866983fa8fea78c1bbc23f149efe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.084311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011954/manifest.json
observed 737c2db3ab7d6d394ca9e1a016a3a751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.042267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011954/publication.md
observed da12dab87b409927b30fe793c2517b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.999547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011954/publication.txt
observed 06ea3dc232187eacee1373394cf643a8...
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.