OpenTechnical

OT-2026-000100468

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100468) never changes.

Identity and time

Publication numberOT-2026-000100468 · never reused
Internal UUID01a0aea3-66ef-7244-988c-757c80bf4dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100468
StatusPUBLIC

Content hashes

Canonical text71f90904947edc176e2b7c93f1a5f09f4d4d39bc5bcd76860ad35153e2e10d72
Markdownb4d4dff8cefd1e1c160fa10348b5d259751066c12d89f7c145e47c48d4f74c71
PDF
Publication page17b040b4b3b14f16090fdce08095a29884db6cb41e096be29b6e5cbdb4048b18
Manifestae9b3f94fc3e788fd135fdcdd33da331810121070c17afae8a377bc93ebcd2da

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
SignatureXtGgCft5dbtRFyXEZ+EzAZCqWnCGMDQFXGTYb/iIPvqe0NSriTZvGVJ8+Nkzszkk8B3z2TqAhsC6Ay1WLTRgBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:13.157807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100468
observed 17b040b4b3b14f16090fdce08095a298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.139604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100468/manifest.json
observed ae9b3f94fc3e788fd135fdcdd33da331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.119386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100468/publication.md
observed b4d4dff8cefd1e1c160fa10348b5d259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:13.100494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100468/publication.txt
observed 71f90904947edc176e2b7c93f1a5f09f...
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.