OpenTechnical

OT-2026-000007546

Publication integrity record

Six cup vacuum gripper, six 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-2026-000007546) never changes.

Identity and time

Publication numberOT-2026-000007546 · never reused
Internal UUID01a0ae62-4df6-7ee2-87a8-f2a4bc8b7b81 · 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-2026-000007546
StatusPUBLIC

Content hashes

Canonical text57a3d0ca4b5a9c8bcf9817b0254933d5495ce38b45ce039601025d3184ff3ce2
Markdown950cb9a308349be94e7b14d67467302b0d5f4ffeebb2bc7a1d0b5c5a223c48a2
PDF
Publication page1f41ba2ef0adcbf404c1de6ed9566aa229683b85af7a1d385867b593c94168bb
Manifest4fc5108db21252a71bbb68c89589854e144d7b920ebcca4c042eee2ff2ebf926

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
Signature1ZtmDWEcpVjQ6YEvjIl829CuxHLXRnQ9mA4gAeXwMsfulUKL0m0YOxUDDaZqkCGfmYFOtZiM8jyVN9bbS9lCBw==
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

2026-09-17T08:10:23.426768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007546
observed 1f41ba2ef0adcbf404c1de6ed9566aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.408633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007546/manifest.json
observed 4fc5108db21252a71bbb68c89589854e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.391263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007546/publication.md
observed 950cb9a308349be94e7b14d67467302b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.374895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007546/publication.txt
observed 57a3d0ca4b5a9c8bcf9817b0254933d5...
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.