OpenTechnical

OT-2026-000079542

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000079542) never changes.

Identity and time

Publication numberOT-2026-000079542 · never reused
Internal UUID01a0ae96-0b92-7507-9e97-a4bb167120b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079542
StatusPUBLIC

Content hashes

Canonical text9f8f8a87c2a672489ee3b096cbc1def0b63d6a31210b512ad1288990bc5ea551
Markdown5b070eb9b9835627a4597bd9660ed787952ac5d1d3d55b9463e7b6be5a391bce
PDF
Publication pageff2a43ecfaf1f5bb846e45d97b6ef50eb93316521d3ed8e6f4c45976a4a58a6e
Manifest8ffc4c79e4036f84659833bc669e46442d2b4c38404fa8ee587d76819ecce121

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
SignatureJfyuVpv0487MYMyCZ+zUECB0bKGV/reG+OwdoMXQXb/VQjxCdVRKKC/pkWN99wBH2134gxcTOB6uaqECRTg7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:11.354226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079542
observed ff2a43ecfaf1f5bb846e45d97b6ef50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.336702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079542/manifest.json
observed 8ffc4c79e4036f84659833bc669e4644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.317219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079542/publication.md
observed 5b070eb9b9835627a4597bd9660ed787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.296102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079542/publication.txt
observed 9f8f8a87c2a672489ee3b096cbc1def0...
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.