OpenTechnical

OT-2026-000077257

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000077257) never changes.

Identity and time

Publication numberOT-2026-000077257 · never reused
Internal UUID01a0ae94-f508-787f-8d94-e0e29c0a29e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077257
StatusPUBLIC

Content hashes

Canonical text1f96ee95445fedec3d74de430cfc985ff811cc1d468fba801e2a73ac6cb3eceb
Markdown5bb3cd6df676fc0ca961e91c1e6d83f97ea6c2087a3d4a3076b9157ae620991a
PDF
Publication page6025003a9746d2600a04f565d22621a64ffefb00b4e187fef6e925e880e1c034
Manifest51e2a3f83c50ae817951769fe106ee655f2e8476eef1a36048d606b8106f42ec

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
SignaturedtvXkzooQ/cSilIXfh9rbtkKowZ/1dAFgR5BXPaSt23XmoKgF5aWDoUpIWhsVS+rgn9hzdPp3WB4uHYD6W7hAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:52.780548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077257
observed 6025003a9746d2600a04f565d22621a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.759628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077257/manifest.json
observed 51e2a3f83c50ae817951769fe106ee65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.740006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077257/publication.md
observed 5bb3cd6df676fc0ca961e91c1e6d83f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.719371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077257/publication.txt
observed 1f96ee95445fedec3d74de430cfc985f...
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.