OpenTechnical

OT-2026-000102576

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102576) never changes.

Identity and time

Publication numberOT-2026-000102576 · never reused
Internal UUID01a0aea4-858a-7a9a-89c0-aff7e801faae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102576
StatusPUBLIC

Content hashes

Canonical text354769b504268399fb402b22e677d9fc062ca36e78eb5e1560c23e72a427cc61
Markdown62557324ca44031dd5007da78cbae0184522fe40235d6f55d0c7f5b777a97ab7
PDF
Publication pagea18472fba3a331ea0c50bc687a0f7c019846dfd8a46a6db89031157dceacf94c
Manifestc7c359e57f3dfe45b3b0559c1883513d281ab12df0539e31ad00a903dbd1566b

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
SignatureDbAGCX6OKTSNr0qfF3B7AM4Cu1sSHDE5FC9Qx4zXm4oxie9MIqgXBuYQsubBYJZ7li3jT4XX2T+gTbI6SmQWBg==
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

2026-09-17T09:24:03.658111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102576
observed a18472fba3a331ea0c50bc687a0f7c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.642262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102576/manifest.json
observed c7c359e57f3dfe45b3b0559c1883513d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.623021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102576/publication.md
observed 62557324ca44031dd5007da78cbae018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.601905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102576/publication.txt
observed 354769b504268399fb402b22e677d9fc...
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.