OpenTechnical

OT-2026-000055200

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000055200) never changes.

Identity and time

Publication numberOT-2026-000055200 · never reused
Internal UUID01a0ae86-a0fe-7f23-96d9-15f7aed30c5e · 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-2026-000055200
StatusPUBLIC

Content hashes

Canonical text6c769371e9c2438c2570b2f0b16ec508298f67a281e38731a07a148aa986dbe7
Markdown82329d0806e6ab1241df814bd4811091d22f69ed9939da7b7b1298d06b6da499
PDF
Publication page0f03ed18e4d999ac8e93d1df6eead759db666921c2cfccf17e138b7b37930aa9
Manifestfe2051cc4703b468d641d2126170b80e9a866aafcb7357d7a34d786c3ee8b89c

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
SignatureqelH99ap2OcWg8MsIjLUEh+ARXelr0eoWb9YHhf8bK37K1eYvsPyawB7evexKZMGbICUfGDiR0Fq+VFxn9suAg==
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

2026-09-17T10:51:46.525465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055200
observed 0f03ed18e4d999ac8e93d1df6eead759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.508640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055200/manifest.json
observed fe2051cc4703b468d641d2126170b80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.491622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055200/publication.md
observed 82329d0806e6ab1241df814bd4811091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.472456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055200/publication.txt
observed 6c769371e9c2438c2570b2f0b16ec508...
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.