OpenTechnical

OT-2026-000073600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000073600) never changes.

Identity and time

Publication numberOT-2026-000073600 · never reused
Internal UUID01a0ae92-efb9-7c7d-a44b-267095acdede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073600
StatusPUBLIC

Content hashes

Canonical text2fdfc961c514a961bc73f8ef9a12542619c46cdbb2552db79019263923528d5a
Markdowneed241a6ac04781bcb39be9a523f562ed955a02d561ac1023673e0c79e67852d
PDF
Publication page902697ef983bc029533fe2d20ef1a46826bb7a4afe823e50eef218fedade8085
Manifest5334f0e57189ba3238a8b54b51496a21f2fbc46e0ee3d1f6b57145a9b668d9f0

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
Signatureb70IBNNZnXX/pQkJigIlSc9XDvECOkTJwU2KzAAueVDDlf0rk0+RIyR6RgOsDsMlaxILTmDDTghepLu1pyu3Aw==
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

2026-09-17T10:21:46.959495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073600
observed 902697ef983bc029533fe2d20ef1a468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.943289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073600/manifest.json
observed 5334f0e57189ba3238a8b54b51496a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.926178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073600/publication.md
observed eed241a6ac04781bcb39be9a523f562e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.907384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073600/publication.txt
observed 2fdfc961c514a961bc73f8ef9a125426...
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.