OpenTechnical

OT-2026-000071412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000071412) never changes.

Identity and time

Publication numberOT-2026-000071412 · never reused
Internal UUID01a0ae91-e0ed-75bd-ab31-09fd0157d5c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071412
StatusPUBLIC

Content hashes

Canonical textb72f2cab06385c145b358cf11dba4fd10360fd6f1a69dc0fbbf28c0f17193b5c
Markdown5da8cc0e5718ad9f7be6f0a86810561c67481b079e0b1fe5ae0cdb3b2a0ebeb9
PDF
Publication page43cd580178ab2d98597d2235cdd500e6b8672096732d9f6925813a0e9f322310
Manifest9b2c5d95e6e7543b9d35265fc1a2927c67f571d00b1caf07bc454f43aed0391e

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
SignatureC4+JvQniqSFlu1QMqVVBBT3+e0t8pfpV+ZQ2POiO7HLnXMwMtRQ+URXM1zTQ16AGFM9xSL31wNtUFBUEMxS9BA==
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

2026-09-17T10:25:00.409761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071412
observed 43cd580178ab2d98597d2235cdd500e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.391687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071412/manifest.json
observed 9b2c5d95e6e7543b9d35265fc1a2927c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.355503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071412/publication.md
observed 5da8cc0e5718ad9f7be6f0a86810561c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.321989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071412/publication.txt
observed b72f2cab06385c145b358cf11dba4fd1...
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.