OpenTechnical

OT-2026-000054461

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054461) never changes.

Identity and time

Publication numberOT-2026-000054461 · never reused
Internal UUID01a0ae86-1282-70b0-968e-4f1dac0fdd3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054461
StatusPUBLIC

Content hashes

Canonical texta28113ecc38397e6db1ea79d225b4f31c65ddd4e670bec6281671c02b8cd6b6b
Markdown38f96c60c5614f35e54dca53ec97e1c95927cb83fcc5652a215b4d47dd50a9ca
PDF
Publication page7a92684d6edc9379e1953a6bdbecf5e6a6a368af0db0734ab5c5240d26c4da8c
Manifeste4a61c15888cc43a9a44764e51719dcaf704c2f4314a1a8d1f5bfd95c917405b

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
SignatureXMjttXf+uD9WlElVV4k4DvY+o+X32bc/CIP/W/PSJMGUT8emLyboRxE9yfwgCCflGgzJn38ezQS//ND8pS+DAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:27.140906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054461
observed 7a92684d6edc9379e1953a6bdbecf5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.121471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054461/manifest.json
observed e4a61c15888cc43a9a44764e51719dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.101608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054461/publication.md
observed 38f96c60c5614f35e54dca53ec97e1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.083002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054461/publication.txt
observed a28113ecc38397e6db1ea79d225b4f31...
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.