OpenTechnical

OT-2026-000049025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000049025) never changes.

Identity and time

Publication numberOT-2026-000049025 · never reused
Internal UUID01a0ae81-134d-766b-ae78-82eb25a9c67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049025
StatusPUBLIC

Content hashes

Canonical text047b77c037847067f3ebd0b2d41f635b695aaba6147373ac6d4adb46cc9106f2
Markdownf4409d13f9ffe261ac0e185a7158c4f67aea95fdd0ddcae3065fe9746cd1cb11
PDF
Publication page87fff44095bc0278a87e31fa7688ac5769a122b25f56408f791cf890c553bcca
Manifest466e254b9e53e74cf3c620703e9727bd3fe1d30f1da6bec81d111fd4bb069296

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
SignatureliVx+jwXUQKVY0Uptr8772CKisiZQld6W5tr5FNCMxXvtjC50BrwgizG/MKGaV0CWm03SE38gYR/rAqLQUCLDw==
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

2026-09-17T11:03:14.616835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049025
observed 87fff44095bc0278a87e31fa7688ac57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.598132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049025/manifest.json
observed 466e254b9e53e74cf3c620703e9727bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.579262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049025/publication.md
observed f4409d13f9ffe261ac0e185a7158c4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.560166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049025/publication.txt
observed 047b77c037847067f3ebd0b2d41f635b...
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.