OpenTechnical

OT-2026-000057957

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000057957) never changes.

Identity and time

Publication numberOT-2026-000057957 · never reused
Internal UUID01a0ae88-6ed9-782d-baae-51546116c800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057957
StatusPUBLIC

Content hashes

Canonical textf8816bbd11d2f67864b2dba1198288df547ca8f92ee19dfcea394bf60092cce5
Markdown5ae89e9aa3893deff6b5a8a261dd9a390438b2b23b8d3b7a07cea7d1bb0e2d57
PDF
Publication pagea3a26a679817ffefcd5037ff56ed2ccfcffe83cf22225318bae35f0ea8af2980
Manifest24b65089ae1bcc53451c034285a4a4e0ed9acde8c9602d3700df81a8838b4b72

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
Signature6Ox7KFFKTb5rHXDT1T8dctfJryw9QQss1Q+bxB/0APJlakAJYuUyCF4rMHJZaC1kgB+TyQfyeWhSxy7twu2ADw==
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

2026-09-17T10:47:34.535310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057957
observed a3a26a679817ffefcd5037ff56ed2ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.518490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057957/manifest.json
observed 24b65089ae1bcc53451c034285a4a4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.499036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057957/publication.md
observed 5ae89e9aa3893deff6b5a8a261dd9a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.478571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057957/publication.txt
observed f8816bbd11d2f67864b2dba1198288df...
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.