OpenTechnical

OT-2026-000048809

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000048809) never changes.

Identity and time

Publication numberOT-2026-000048809 · never reused
Internal UUID01a0ae80-c32d-7d17-8d11-410d07ff3648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048809
StatusPUBLIC

Content hashes

Canonical text9d54facf4af86b9ec4ed8172f61e2acdb702742220eb05bbb24f4d097ec4f99d
Markdown7646d9b55bf8d8874885cb2fc2267fe6571d9f99b74e5943bc80b3b60113d243
PDF
Publication page911413dfea15af78734fefe9b18ebb2e920d7533cf1e7a4f8803316efe57dcd2
Manifestba6f397728d061926d134f319b909e5933bfc865651394030d0a09f162f4c02a

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
SignatureZ1WkW29hUGilQMc0elaj4W+H6DKEsRIqTaHPA1+N5J2+7JdRqsx5FCHfbUC2ePkXymL0U2z7pcC5e5MxfF6zCw==
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

2026-09-17T11:04:31.878916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048809
observed 911413dfea15af78734fefe9b18ebb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.850964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048809/manifest.json
observed ba6f397728d061926d134f319b909e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.826813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048809/publication.md
observed 7646d9b55bf8d8874885cb2fc2267fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.803635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048809/publication.txt
observed 9d54facf4af86b9ec4ed8172f61e2acd...
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.