OpenTechnical

OT-2026-000052196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000052196) never changes.

Identity and time

Publication numberOT-2026-000052196 · never reused
Internal UUID01a0ae83-e790-7424-9ea0-3500992125da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052196
StatusPUBLIC

Content hashes

Canonical text9288f016f049d24f434f0a60b28e78e71a21d803d991cc867cf835044ce65d6f
Markdownbf929218e7f974148f2fec984384406488d316d3f3697b1a4e655dc8fc6a036b
PDF
Publication page9bd5e49fe310d56f559864af10347b479c1100d8758a3359459ef9851b5dba54
Manifest9784b1e82ec0e0a6872c0385ee2ebfe1df42ca1792bd3da14ada1a53481e5b1c

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
SignatureH784YrLAK7MyH3nAZFCwZzdKJsNk3ockChvB6b/mgWcPuKBaj1prPZoJKoBfeVlnC7hRRveFZMq0skbXiiapCw==
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

2026-09-17T10:57:45.724586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052196
observed 9bd5e49fe310d56f559864af10347b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.707563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052196/manifest.json
observed 9784b1e82ec0e0a6872c0385ee2ebfe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.689343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052196/publication.md
observed bf929218e7f974148f2fec9843844064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.670906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052196/publication.txt
observed 9288f016f049d24f434f0a60b28e78e7...
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.