OpenTechnical

OT-2026-000012457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012457) never changes.

Identity and time

Publication numberOT-2026-000012457 · never reused
Internal UUID01a0ae6d-39f7-765e-a9d3-367a147aba83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012457
StatusPUBLIC

Content hashes

Canonical textc71fb25e17d3752dba04e0c7b4f451ecf1e108796a2ee8328c2faebc01b1d6b4
Markdown29bdf597d472ae3b8a107d283467cc5c4087647fb8fe8068084a3227a975c4c3
PDF
Publication page85a50da9141f14a2b7ea61a10e3921e015593fa835f8dc6ab57e283ae37d639a
Manifest192178bb93a4bc03dc03a6161091bc982f016cde6929f8e0537405168aa2d87b

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
Signature2ITDe+y9lydpV4Zg9S4vOx+BG4qBxolyL5BIzoJVmw2Ey0jzWehtRABXvoPl+tjfhyXSCWlv4TFuXzGyVsSgDw==
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

2026-09-17T12:11:57.849418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012457
observed 85a50da9141f14a2b7ea61a10e3921e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.830487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012457/manifest.json
observed 192178bb93a4bc03dc03a6161091bc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.812290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012457/publication.md
observed 29bdf597d472ae3b8a107d283467cc5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.794229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012457/publication.txt
observed c71fb25e17d3752dba04e0c7b4f451ec...
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.