OpenTechnical

OT-2026-000049211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000049211) never changes.

Identity and time

Publication numberOT-2026-000049211 · never reused
Internal UUID01a0ae81-134f-7ade-b3ab-d68deafdd2a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049211
StatusPUBLIC

Content hashes

Canonical text71fbd292f28789666b3cf3a7a47faa39e06c2535246f2863c980e6fb0d692f26
Markdownad80c692004235509293a1c515f7cb646c08d039f3c855ee09c4d7a8ec5879e9
PDF
Publication page2207f2bcab523046297d4fa9bb81f456de06ace460b7c156fb6ff3d74144b4b3
Manifestdcee804178828a8f0225c1dbbad88d68c7e24a8bdc43809c00e576c3465739f9

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
SignaturecgGS1/OE2QqUEF2CYcbQEdOD7EkRygZBVmWeMsDRstk9OQ8Ci34Zkzut9zDFK0T1pzl2xDWKkBjztNOzNJMuDA==
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

2026-09-17T11:04:01.647816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049211
observed 2207f2bcab523046297d4fa9bb81f456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.630175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049211/manifest.json
observed dcee804178828a8f0225c1dbbad88d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.611385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049211/publication.md
observed ad80c692004235509293a1c515f7cb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.594357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049211/publication.txt
observed 71fbd292f28789666b3cf3a7a47faa39...
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.