OpenTechnical

OT-2026-000055563

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000055563) never changes.

Identity and time

Publication numberOT-2026-000055563 · never reused
Internal UUID01a0ae86-a102-7dc7-844a-9f0b27f13434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055563
StatusPUBLIC

Content hashes

Canonical text7e1eb9f8a7059d2614d38d012187ba5fc13c807885dd54f2d34806042149302e
Markdown3961aa2f428a3af7a13fbc60ba0aaa295e0c27321807aa339aa21b539967db49
PDF
Publication page17194e0518511301f834c55f2abb8e7008e878ad962fb34db02255706b860e8e
Manifest321246448d0e0fc2d42be53ad2ac2c8bc3d391b32a71baa78e378937a38e6846

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
SignatureFzKV2kBrUH7nWTo9yp7ycQqzo8IqhNGfI2eJDSXnsoL1jovd6+Sp25sjWH+1So4DFPS6EO7rospeIdJMc0FSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:47.868273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055563
observed 17194e0518511301f834c55f2abb8e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.852108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055563/manifest.json
observed 321246448d0e0fc2d42be53ad2ac2c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.832121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055563/publication.md
observed 3961aa2f428a3af7a13fbc60ba0aaa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.815773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055563/publication.txt
observed 7e1eb9f8a7059d2614d38d012187ba5f...
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.