OpenTechnical

OT-2026-000067705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000067705) never changes.

Identity and time

Publication numberOT-2026-000067705 · never reused
Internal UUID01a0ae8f-6bdb-7ccc-89f2-2a20817a67f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067705
StatusPUBLIC

Content hashes

Canonical textdcbba8898386e303dd91d92adf0b3a840043812ab94eeb9ddac14ff7082fadde
Markdowna9c836d8c62d628bf5deddb61a6a948a44177c33a236fe191a1593e7da1b218d
PDF
Publication pageb8d28d4b5812fd8aaacf2c84e62cd9a8768f813ba7df034bbe4ba257f3565689
Manifesta3e1ee6d2598bcda09371d5492d48c4c37d0599c9e8106d48ff2f9b8edb1925e

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
Signature3HReeBXZVve2StAl6Vre/zBi4au8ZUn7nTZ6nZsYa1IRuX56bC9m4tXsluqatWya39UNFRrt+DmrBIysnd5VCg==
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

2026-09-17T10:32:03.022875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067705
observed b8d28d4b5812fd8aaacf2c84e62cd9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:03.005765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067705/manifest.json
observed a3e1ee6d2598bcda09371d5492d48c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.990462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067705/publication.md
observed a9c836d8c62d628bf5deddb61a6a948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.973226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067705/publication.txt
observed dcbba8898386e303dd91d92adf0b3a84...
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.