OpenTechnical

OT-2026-000052192

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000052192) never changes.

Identity and time

Publication numberOT-2026-000052192 · never reused
Internal UUID01a0ae83-e790-7386-9080-03e3a75b2218 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052192
StatusPUBLIC

Content hashes

Canonical text917af85024a19df4b60f4c07aacbd1e7a8c42cda54482716fd659fdeec8677cb
Markdownbc347c45b8b2e45bf9ec813e36e43eae61ccda5bd1ee1b0442123c5a0d55a76d
PDF
Publication page5fa87254f0e7c1f7f3b7df200ce59c6227978307b012bcfafc2b31aa82c5a986
Manifest6ca69acf36f69efa6b8471546ecabfc7f761d2ff8bf05f8811e76123aef3ad0e

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
SignatureI+HLEpCOkMYEjdpjfTEhpWi4sDsLIl/bSupBWF3tSJwVrCumJHMHcYF3yfJSqla9KABttB28zbov4pK5nWvPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:45.395218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052192
observed 5fa87254f0e7c1f7f3b7df200ce59c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.375952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052192/manifest.json
observed 6ca69acf36f69efa6b8471546ecabfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.355448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052192/publication.md
observed bc347c45b8b2e45bf9ec813e36e43eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.335971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052192/publication.txt
observed 917af85024a19df4b60f4c07aacbd1e7...
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.