OpenTechnical

OT-2026-000057644

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000057644) never changes.

Identity and time

Publication numberOT-2026-000057644 · never reused
Internal UUID01a0ae88-2694-7b73-af3c-a0599a5e3528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057644
StatusPUBLIC

Content hashes

Canonical text6f70c09641624a4ffc9be4a6f6930656c822e1e9c1b842b349db8f8802be6769
Markdown90f252c0614294bf66b39d663a2e209016303da3f1d93dad640ceaf43475690e
PDF
Publication pagedaf9d3622bcb674b4de9145e45075f226aa7dc751fb9296c92000bfbf3cdbe6a
Manifest99c9291bb21d2d794b8d2dbec502c9de2516387202cd608446ac533f1dcbd391

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
Signature6jwq8zEG6EzYdIJs9UYnpiqP0n3Pb43Ki2jwX9oapySqiFtdQyJgAlaLBE68EOURG1N/hZutej4Thv9L60zfDw==
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...

Independent retrieval

2026-09-17T10:48:12.544565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057644
observed daf9d3622bcb674b4de9145e45075f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.527601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057644/manifest.json
observed 99c9291bb21d2d794b8d2dbec502c9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.509729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057644/publication.md
observed 90f252c0614294bf66b39d663a2e2090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.491578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057644/publication.txt
observed 6f70c09641624a4ffc9be4a6f6930656...
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.