OpenTechnical

OT-2026-000047749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000047749) never changes.

Identity and time

Publication numberOT-2026-000047749 · never reused
Internal UUID01a0ae7f-c420-7568-9b25-13024524cebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047749
StatusPUBLIC

Content hashes

Canonical text875e9427f908eeade46a69059896e8c0040a73545941beec85dabef2968ecf1b
Markdown0aa1802cb72e701bb5f363d8f97ebbcdcd682c1306a33cd6558aeafa0a8206b3
PDF
Publication pagec88b290d7655a9ef3e1272975f79c1f349c06748926129b60e6ba48942e692d8
Manifest2878bb88ec5fb3dbf6b3ac3c14ab2e787c60546e3df74abbdaea56321f7aeba4

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
SignaturemYpGU3aMpWhL2HhZAWq2OPEb37Rps02x66SHiEMy0q51f6f2nl4GpPL3CBTiYsHaAFHFEzFlHGXSM1p3m4I+Dg==
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

2026-09-17T11:05:37.835195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047749
observed c88b290d7655a9ef3e1272975f79c1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.813683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047749/manifest.json
observed 2878bb88ec5fb3dbf6b3ac3c14ab2e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.793528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047749/publication.md
observed 0aa1802cb72e701bb5f363d8f97ebbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.770844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047749/publication.txt
observed 875e9427f908eeade46a69059896e8c0...
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.