OpenTechnical

OT-2026-000044881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000044881) never changes.

Identity and time

Publication numberOT-2026-000044881 · never reused
Internal UUID01a0ae7c-911c-7fc6-abe8-bcf890b1d5fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044881
StatusPUBLIC

Content hashes

Canonical text768fba6fdeccf9628f60c659fb5aae21c09a24652cbc07b0422aa67f3835ff38
Markdowne0ba7c75a7082e953d387bc066ba11514c894e9aa7914f2bca5cc84df955c09e
PDF
Publication page662c5f7bb2894b531b9ec9ec6185ad9b8b5c271269970851c3081a87e7b20718
Manifestf805ff5ed6ebae85cb0d925804b733497776e3a5540214e83a40ca37ccc825bc

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
SignatureUZsSbzlnrfdrE96EL1GChAo/weI3+Bj2O+1dsQPMZEO2JlRuKdxKxOsdPwHyUoyngWDPAI+2ItqNwrsWFrPrBw==
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

2026-09-17T11:11:32.296109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044881
observed 662c5f7bb2894b531b9ec9ec6185ad9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.276846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044881/manifest.json
observed f805ff5ed6ebae85cb0d925804b73349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.257437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044881/publication.md
observed e0ba7c75a7082e953d387bc066ba1151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.237331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044881/publication.txt
observed 768fba6fdeccf9628f60c659fb5aae21...
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.