OpenTechnical

OT-2026-000061513

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000061513) never changes.

Identity and time

Publication numberOT-2026-000061513 · never reused
Internal UUID01a0ae8b-7b44-7df8-b74f-30d6d6b852ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061513
StatusPUBLIC

Content hashes

Canonical text085f1d27eb3e480f6b30fee70139068c27ed6df3a890c36f6cb7cdf032cd1176
Markdownf59eda6d6ac64bbda7d4c913ca89f533a1011730e7ba0c5e5c328a144c326086
PDF
Publication page814a98f11cd4cfe71c724283f3fa2ed7109e8f0bebda36c81202dad6dda7bb3f
Manifeste1725f1ef5b1a02377f4ca6ecef8023781a364f71dfb44e62689fb75f94c43d6

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
SignatureFjMXlMf3yqWNfFV9SY3fUrQhrbnyPPRdHC5fVLUoDfIKDHXR3/nroCpy20+/luABeqyu6pzUkeSaIWl/cA3kBw==
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...

Independent retrieval

2026-09-17T10:41:24.660595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061513
observed 814a98f11cd4cfe71c724283f3fa2ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.640856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061513/manifest.json
observed e1725f1ef5b1a02377f4ca6ecef80237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.621519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061513/publication.md
observed f59eda6d6ac64bbda7d4c913ca89f533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.602270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061513/publication.txt
observed 085f1d27eb3e480f6b30fee70139068c...
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.