OpenTechnical

OT-2026-000041022

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041022) never changes.

Identity and time

Publication numberOT-2026-000041022 · never reused
Internal UUID01a0ae79-b10e-7ae4-8c48-81be8c3331dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041022
StatusPUBLIC

Content hashes

Canonical texte32c8f2bffaba5d914487cc4a9d19eeaae997e7e5fc55155cff22013b327f41f
Markdown8d0556b14e14bde39ddc3372f74c0e1a49549453e7281aa6ed5475d40ab3f663
PDF
Publication pagee330a2345c1db463c6bcb05be9bfa5dfccd73f62cd1c596f5f6d80c23f3e66c1
Manifest2404355e911c8c3bf92a0ec97bfd5a910de5a8bed7e79a329cf7f4283c66eb8c

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
SignatureIpoKny1eM7ImV0vOmZo1Fd/WjiyIFvUjKwPIMIpp8mPf9X+REnyu+BBYzlDX45N9o4Ay2x4NBnklmVLzFL/1DQ==
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

2026-09-17T11:16:55.763913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041022
observed e330a2345c1db463c6bcb05be9bfa5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.747109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041022/manifest.json
observed 2404355e911c8c3bf92a0ec97bfd5a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.732315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041022/publication.md
observed 8d0556b14e14bde39ddc3372f74c0e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.717240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041022/publication.txt
observed e32c8f2bffaba5d914487cc4a9d19eea...
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.