OpenTechnical

OT-2026-000007851

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000007851) never changes.

Identity and time

Publication numberOT-2026-000007851 · never reused
Internal UUID01a0ae6a-908a-7f7e-af6d-19bf155a2e5e · 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-2026-000007851
StatusPUBLIC

Content hashes

Canonical texta2851385eb9cb9fd0597626368e32c2aff038a008db6002998be23e31ff18323
Markdownb3c85a1529787449ef78edf6b603ede90f0e7b88f1c195c7666098554257033d
PDF
Publication page09bc150ee8e33eaf0ecf60f272e69869eb9a1820ff62cc49dcda2d82d288152f
Manifest5c2fdf786447d4aec8829ecead6098ce42c1a3d39d9e3c0fbcb0b6117a1e5f66

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
SignaturecGRZAwsk6RpjfcaI0UCiUdqGR5wElx2FlLHfq4bjmEwWvoXjxM8vKZAxZ8FxCnmF+YT9dIrd5bpZkTbHo36wCw==
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

2026-09-17T12:20:18.209509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851
observed 09bc150ee8e33eaf0ecf60f272e69869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.188785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/manifest.json
observed 5c2fdf786447d4aec8829ecead6098ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.169489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/publication.md
observed b3c85a1529787449ef78edf6b603ede9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.150152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/publication.txt
observed a2851385eb9cb9fd0597626368e32c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.154836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851
observed 09bc150ee8e33eaf0ecf60f272e69869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.131318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/manifest.json
observed 5c2fdf786447d4aec8829ecead6098ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.109717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/publication.md
observed b3c85a1529787449ef78edf6b603ede9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.089868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007851/publication.txt
observed a2851385eb9cb9fd0597626368e32c2a...
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.