OpenTechnical

OT-2026-000007912

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000007912) never changes.

Identity and time

Publication numberOT-2026-000007912 · never reused
Internal UUID01a0ae6a-908a-7ceb-a561-3de046460d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007912
StatusPUBLIC

Content hashes

Canonical textdf49b5e1cd82456f2a425af249c78ac6bc4eac4e600c2ee64d2a1eab71664ed9
Markdown2564bdec62fefaf738d0d1cba5caa864c0f7911d604e54f127727c40bf138595
PDF
Publication page85e3d680c813271e44bc34bf482c756a7f566f8e5c07ea18c5741eec93a9765e
Manifest89f4c1f94eccaaff102f4a1c61075b823b599be8126a93ebb76d54b8e6b55193

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
SignatureDs1PD6+HVCQYLa6Rw0XL5O4KjopE0MMljHIrprMBgBsI8BsFA+WQfBKOVR+A98kW26XLPhXVHsAAHrHK8e9CCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:23.050394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912
observed 85e3d680c813271e44bc34bf482c756a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.032406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/manifest.json
observed 89f4c1f94eccaaff102f4a1c61075b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.013436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/publication.md
observed 2564bdec62fefaf738d0d1cba5caa864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.991274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/publication.txt
observed df49b5e1cd82456f2a425af249c78ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.719783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912
observed 85e3d680c813271e44bc34bf482c756a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.700493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/manifest.json
observed 89f4c1f94eccaaff102f4a1c61075b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.682407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/publication.md
observed 2564bdec62fefaf738d0d1cba5caa864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.664234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007912/publication.txt
observed df49b5e1cd82456f2a425af249c78ac6...
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.