OpenTechnical

OT-2026-000060820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000060820) never changes.

Identity and time

Publication numberOT-2026-000060820 · never reused
Internal UUID01a0ae8a-b7d1-783d-bc1d-7dd1a6192867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060820
StatusPUBLIC

Content hashes

Canonical text2db795374abd0c01cfb0fd1cfbaec67db745ada5042e971b3321c1194b785d4e
Markdown409de20d0ff8c79cdd88a9a390f5fd524ca85f8dcf410bb8e4ed6d8a650272a6
PDF
Publication page17901948999d237dcd561b3c349008fbebbda0e7924a6e07b7e55827b57d1068
Manifest9b9a87518e32205cb95dbd8a435a4edc98889b0dff529f74216bcf67fce2f965

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
SignatureJJiXYcFZdTEbFliG1SFR+qD3QThxqKk0Ee/Q3KonSFsJe/Z0uR66s6r2DPt0LAEQ1U59Aa5YRRmovo4Fgv6dCA==
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...

Independent retrieval

2026-09-17T10:43:34.298986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060820
observed 17901948999d237dcd561b3c349008fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.283818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060820/manifest.json
observed 9b9a87518e32205cb95dbd8a435a4edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.268366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060820/publication.md
observed 409de20d0ff8c79cdd88a9a390f5fd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:34.251614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060820/publication.txt
observed 2db795374abd0c01cfb0fd1cfbaec67d...
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.