OpenTechnical

OT-2026-000049747

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049747) never changes.

Identity and time

Publication numberOT-2026-000049747 · never reused
Internal UUID01a0ae81-8fef-7de0-adc1-5483e7dab60a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049747
StatusPUBLIC

Content hashes

Canonical text258647690ffe2c513bb356fed4b6a54125f925f2b6e80818d8f4ca3c247833bb
Markdownf71425f16bc33956d054170b8cd1802c1a42ab63fbcf9cfda0a0862eae426991
PDF
Publication page759456c67a70861ba50c6612704565139639ef0678df6028d6543fa07a12cffc
Manifestaece492bf3c0a7a4b59e90f8d74a66c396628c5cfbd9d5b9e7653e5754a2245c

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
SignaturebEyksmkqL0JMRXTrg1RzF5EOOR8Sfku1Xa6UZbrlHoHiZQAYe7Tdo0G8DlSgilmK9nFxC2sk3zN+clsY4KrgAg==
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

2026-09-17T11:02:46.541852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049747
observed 759456c67a70861ba50c661270456513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.524369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049747/manifest.json
observed aece492bf3c0a7a4b59e90f8d74a66c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.508043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049747/publication.md
observed f71425f16bc33956d054170b8cd1802c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.490761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049747/publication.txt
observed 258647690ffe2c513bb356fed4b6a541...
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.