OpenTechnical

OT-2026-000100903

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100903) never changes.

Identity and time

Publication numberOT-2026-000100903 · never reused
Internal UUID01a0aea3-c376-75f6-a8db-d2d44e22c087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100903
StatusPUBLIC

Content hashes

Canonical text2d766f48dbf7182eb388a6a6410e6240820c9b9623ce9758fbfcf93d4104b913
Markdownac3155c881a9c916d8045333756c5f115919d80da8e0ed37b9230c95f26253ad
PDF
Publication pagea9aa853db082f4a2094531164febc45ab543faf27413ba88ea851ea650ed08b9
Manifest815b443bfce15f8319426d7b48dd726855e1759151ff4e545f14c7f6e09a5ce7

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
SignatureGHTYoeDgBPphE7Lrepl3thbJD0zFGN1WW6vxQTw0TtaJlOsQd4SBMkMKRYVKt7y9Io7FXbY6V8AjQoyWqZUdBQ==
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

2026-09-17T09:26:23.949667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100903
observed a9aa853db082f4a2094531164febc45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.932377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100903/manifest.json
observed 815b443bfce15f8319426d7b48dd7268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.915121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100903/publication.md
observed ac3155c881a9c916d8045333756c5f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.897809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100903/publication.txt
observed 2d766f48dbf7182eb388a6a6410e6240...
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.