OpenTechnical

OT-2026-000058840

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000058840) never changes.

Identity and time

Publication numberOT-2026-000058840 · never reused
Internal UUID01a0ae89-479e-797d-b0f8-6e44719cf0dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058840
StatusPUBLIC

Content hashes

Canonical texta14dac6284f792f837d6f21667e83e2039255d30994f9b6e0ab3a3047d895e2b
Markdown815001453e4cee294b295dc6a7e030279ba4f93cd4c1d9186a3b1e3ea25197e7
PDF
Publication page556dc506396465a6e3d45a9181c62a51423bc3815892d378f0921bdb0f8eb503
Manifest88cd9275302ea68f0e7a0c567800207d8e5ea6e25b8f32b577c1968f5edc4cd5

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
Signature5qbtcnOc7zoPEV4FuQaj31bzI00AIw78TlUxNxtYshINSPM17zDyN4oEDFfxNh2AhdcBmwqAmmrwr94gsfxnBg==
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

2026-09-17T10:46:22.446203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058840
observed 556dc506396465a6e3d45a9181c62a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.428105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058840/manifest.json
observed 88cd9275302ea68f0e7a0c567800207d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.408409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058840/publication.md
observed 815001453e4cee294b295dc6a7e03027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.389231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058840/publication.txt
observed a14dac6284f792f837d6f21667e83e20...
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.