OpenTechnical

OT-2026-000034216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000034216) never changes.

Identity and time

Publication numberOT-2026-000034216 · never reused
Internal UUID01a0ae75-df0d-7011-8b51-dd5435509fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034216
StatusPUBLIC

Content hashes

Canonical textaabd705601dd63bb5d418f120f4bc47fab6df979a3674bb37b12f72ef039cc32
Markdownb057a2f9c0ff786afb88f04e88f7d042270c15e3b5235049d9f8e0bb46b4bc92
PDF
Publication pagebb8d3539531d92175c14ab4f1a32b38ad1071d1696e25fddf9b602955b99dd1c
Manifest4cce6be1d4e91f575c08cf314b34cbfc449f79460f79370831660c2f94fcbeba

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
Signatureo8ivGGPzmHeFvvOQ0cYh3yK4FxVwBDb4b6V01IJvn/nv68gSkwnC8Hr0lN+ZVZZAvLa7fFmwFWlyUz1pQ94xCA==
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

2026-09-17T11:30:45.863956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034216
observed bb8d3539531d92175c14ab4f1a32b38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.846110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034216/manifest.json
observed 4cce6be1d4e91f575c08cf314b34cbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.825950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034216/publication.md
observed b057a2f9c0ff786afb88f04e88f7d042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.806565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034216/publication.txt
observed aabd705601dd63bb5d418f120f4bc47f...
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.