OpenTechnical

OT-2026-000025818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000025818) never changes.

Identity and time

Publication numberOT-2026-000025818 · never reused
Internal UUID01a0ae71-a83e-7068-ae60-f15b571ece2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025818
StatusPUBLIC

Content hashes

Canonical textb686a8b00a61d2ddfb858baf613991a76fb656cbe81952b75fd56f354325943e
Markdown7d774f872379a57c5ee21b7ccbdb35646b4f8844f387ef4924d38d16f1d96708
PDF
Publication page0ab308b79d81291cbe32e1c39cea50aa57b29eeba360dcd9ef6bd00f711bd5f4
Manifest7e1c288e256065db3fe2fc863b8b78f28a4855c9acd51308777b1d299659a76e

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
SignatureWySiKlANHpH0Osd+ZwoEHPpvnT5tk8jwXbVW5piqJMfXpteVUDZhUR/o/oakD/oLD1LC8pP8aMuQ0WD7v9acDw==
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

2026-09-17T11:46:02.375550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025818
observed 0ab308b79d81291cbe32e1c39cea50aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.359396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025818/manifest.json
observed 7e1c288e256065db3fe2fc863b8b78f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.341261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025818/publication.md
observed 7d774f872379a57c5ee21b7ccbdb3564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.326391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025818/publication.txt
observed b686a8b00a61d2ddfb858baf613991a7...
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.