OpenTechnical

OT-2026-000049789

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000049789) never changes.

Identity and time

Publication numberOT-2026-000049789 · never reused
Internal UUID01a0ae81-8fef-7d14-add1-cf63248aaafa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049789
StatusPUBLIC

Content hashes

Canonical text59b1b7e62508585e7fd3e7bd2ea87e6cfd2959efa4661aa927db7cbd1b59d1a3
Markdown43574631d9e3615f6ccc74fffb076c837e7865e9b492a4fad23307ad98bd1eea
PDF
Publication page6c1c03952328ce8bc2ffac19071c6d60bd7c6e119cbfc19d7dcddca624e82837
Manifest70596fd9b4d7be95af5d9f71415452a9f74c44240a352db513c6d9acd9234ba7

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
SignaturevyeGcowrSUu/eu7YsvykvT349kH2HTN4z/GUuYrzAEZNwNQNvFcFTWxF6QuCaXsvzKpHVILwEXvcYnRKcbUTCA==
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

2026-09-17T11:02:54.552956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049789
observed 6c1c03952328ce8bc2ffac19071c6d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.533220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049789/manifest.json
observed 70596fd9b4d7be95af5d9f71415452a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.515647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049789/publication.md
observed 43574631d9e3615f6ccc74fffb076c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.498053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049789/publication.txt
observed 59b1b7e62508585e7fd3e7bd2ea87e6c...
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.