OpenTechnical

OT-2026-000050057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000050057) never changes.

Identity and time

Publication numberOT-2026-000050057 · never reused
Internal UUID01a0ae81-fd78-7611-91e0-227bfded81b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050057
StatusPUBLIC

Content hashes

Canonical textd62bf5c3f6f77749288795f2b72e3ab8b2bbc9004ed6147ae70151128490b4d2
Markdowne5153d7de699eaa531348d70101eb96d60e4eb9570dfd0b79fec27d595126c36
PDF
Publication pagec3df7e9f30b10c20d529e4e14a3c9c166f111f0aefb698836c9c68949d72e8c4
Manifest162f952d5d2381448c56cb23657bd2fd077bdc99365ce646dbad73f9c9936cc0

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
SignaturetL/CxnU93Zz8iA3a1zyd0m8ISAcixtV6G/n6EJf61oAoPZStDHWzZJdRwkWs+I0tbPLtFUF40S3uekZckMIsDg==
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

2026-09-17T11:02:02.357595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050057
observed c3df7e9f30b10c20d529e4e14a3c9c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.339388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050057/manifest.json
observed 162f952d5d2381448c56cb23657bd2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.322484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050057/publication.md
observed e5153d7de699eaa531348d70101eb96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.304838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050057/publication.txt
observed d62bf5c3f6f77749288795f2b72e3ab8...
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.