OpenTechnical

OT-2026-000055303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000055303) never changes.

Identity and time

Publication numberOT-2026-000055303 · never reused
Internal UUID01a0ae86-a100-706d-88b0-c9523d6a19c0 · 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-2026-000055303
StatusPUBLIC

Content hashes

Canonical text01a97bded035e8de3644a9d1318a35689ca959a29b09f0add798f1ffaa09f427
Markdown990cdacb97ee7b5d7e3afcd3916d0cb33c7993ae528a5ebe644fd3a3e9793cda
PDF
Publication pageb2d89cae0be26e9ce16399186635747b97943aa861d3173dc375e1e8c255a6f2
Manifest949ab4b2801d982ddbc4cff882a78c3d7942023ec5bbef99fead4d3f4087bc9a

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
SignatureJdzhf9RJXK0PDt+Utfq+k2nIt1BbTestswlg0CUTHAjTW99tekNKPy2UTkm3Bm+Ry8YLS9GlmFo1vMxk4DwECA==
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

2026-09-17T10:51:54.470788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055303
observed b2d89cae0be26e9ce16399186635747b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.453810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055303/manifest.json
observed 949ab4b2801d982ddbc4cff882a78c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.435055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055303/publication.md
observed 990cdacb97ee7b5d7e3afcd3916d0cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.415598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055303/publication.txt
observed 01a97bded035e8de3644a9d1318a3568...
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.