OpenTechnical

OT-2026-000007596

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000007596) never changes.

Identity and time

Publication numberOT-2026-000007596 · never reused
Internal UUID01a0ae62-4df8-7205-beeb-3f9e4838e959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007596
StatusPUBLIC

Content hashes

Canonical textdc67f18db33122c67c234f41f399158b3aab08f3403cc436344f9d6c1ea349d1
Markdown377641e45a68910738343f3c2d0d5c176d63dda40c1cddfc43d4899119a82dca
PDF
Publication page8ca3c1ac919593067a98607b135c78da533579b5c633a4df6b2bc20f9697a393
Manifeste5a4a292c9b2a7876cccb8b70afa238745fda00c6c7b54d2039c5c85385bb0ee

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
SignatureFB9ycHyf+8pDkARIfT6oJn/7h+7lX7oN1bZxQe6F/DEjYkgoLzCAsZzSwRIjjgz9GsyZi8L1rHc7EqtqveBzBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:54.337923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007596
observed 8ca3c1ac919593067a98607b135c78da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.319650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007596/manifest.json
observed e5a4a292c9b2a7876cccb8b70afa2387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.303570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007596/publication.md
observed 377641e45a68910738343f3c2d0d5c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.284743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007596/publication.txt
observed dc67f18db33122c67c234f41f399158b...
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.