OpenTechnical

OT-2026-000048913

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048913) never changes.

Identity and time

Publication numberOT-2026-000048913 · never reused
Internal UUID01a0ae81-134b-7b8c-a9a6-d78580e16275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048913
StatusPUBLIC

Content hashes

Canonical textaae06c7ca0c76856e29b4829e421e63da6d4944ea288322d7a17e20f08557f54
Markdown1458f05c2758c70a6e21114c9dc4b6a865b6c9984d300b01732f2d597e8403cc
PDF
Publication page30d7d7f8b9e75071dfafac42631156078be2dc8355e02daf7b5186774be6f1c6
Manifest4ef5a9e99682c0645dc71c90c236d589fdf1f8d85852ee4e167451ca749088d7

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
Signature3kcjQ1kG6CQeG1cQhKlQlAtNLSn1L6O+zTk573d8+Z9mROzYYZ609DLb3i+N3Fny+TsitXHoirllnH2mh0/wCQ==
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

2026-09-17T11:03:05.201268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048913
observed 30d7d7f8b9e75071dfafac4263115607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.180183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048913/manifest.json
observed 4ef5a9e99682c0645dc71c90c236d589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.159678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048913/publication.md
observed 1458f05c2758c70a6e21114c9dc4b6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.141898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048913/publication.txt
observed aae06c7ca0c76856e29b4829e421e63d...
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.