OpenTechnical

OT-2026-000073142

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000073142) never changes.

Identity and time

Publication numberOT-2026-000073142 · never reused
Internal UUID01a0ae92-efb6-79e0-b6f2-39caed594f05 · 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-2026-000073142
StatusPUBLIC

Content hashes

Canonical text8d4eac0b1711bae10adfb01a2d3faf94b6ab06c1ffc59dcbe89881faa05a2ba2
Markdown17d28bf12376a2d43e60e684f27f2a54d7c3dc92836eb8c0ec154eb2b0af09e4
PDF
Publication page29e6ffcad0b223b70785845b3dd1961df8bfab539bebb49adbd249063afe4980
Manifest533230f53c7d8cb14ec6b3be68d02e6064648be1f967657e9dc14e5c88894546

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
SignaturenVnzeXE00Q05FfnfXCuqVNlv39wy0vR90wu0/3teJgy4tkIJ3HbyqvJtPsP/WoO94LV57jLE0e66MJPWPeXzCQ==
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

2026-09-17T10:21:04.817848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073142
observed 29e6ffcad0b223b70785845b3dd1961d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.798417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073142/manifest.json
observed 533230f53c7d8cb14ec6b3be68d02e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.778802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073142/publication.md
observed 17d28bf12376a2d43e60e684f27f2a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.761152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073142/publication.txt
observed 8d4eac0b1711bae10adfb01a2d3faf94...
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.