OpenTechnical

OT-2026-000016174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000016174) never changes.

Identity and time

Publication numberOT-2026-000016174 · never reused
Internal UUID01a0ae6e-2d10-703f-a5d2-688cd6cc6f52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016174
StatusPUBLIC

Content hashes

Canonical textdd334704da4a2bf4e744aff48718b832c14f7717db563e5da6ed879020886aab
Markdown1b7d25cbad764e9bf7af66282eafbb3439a83a838653dffbc9c95ad2f4fb397e
PDF
Publication page40545a9b68f3c26c25c41b8f91615bf55993b79f95be2693c16600a2974afde2
Manifest3f9dd62f75bc4f3bb5d625e273312474092e20f98d02548f988c0db76145d81b

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
SignatureocJJjaB1aE2qc4MSWfau8S6HmvNpc/czAt/fMwTQoghytXMNMwy6wPdmfBXSm8+8Mf1bCjVWSRXOjysoDwfeAg==
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

2026-09-17T12:03:37.444885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016174
observed 40545a9b68f3c26c25c41b8f91615bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.425959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016174/manifest.json
observed 3f9dd62f75bc4f3bb5d625e273312474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.404925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016174/publication.md
observed 1b7d25cbad764e9bf7af66282eafbb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.387349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016174/publication.txt
observed dd334704da4a2bf4e744aff48718b832...
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.