OpenTechnical

OT-2026-000061412

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061412) never changes.

Identity and time

Publication numberOT-2026-000061412 · never reused
Internal UUID01a0ae8b-7b42-74ca-955a-e0a1468ff5ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061412
StatusPUBLIC

Content hashes

Canonical text19799d4107382b64fe8ff43243aa4b8b1a3fe5d93f63ac281da0e8ce308ea8b9
Markdown1b06bd8552e60f9fae1125d3583390b6fd0905a361fc6e30c77cc5cf206d31bc
PDF
Publication page16a8b1e0b60898616e4c993017b67beadb73b499f124f704ebbd223f3b92c54f
Manifest6c39728dc39ea9e181f6aebe0100ca9d9768f0b9ca627927268a092be98a7931

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
SignatureD07dqwuioh6xG3mam/HJVJz9YhW96/pdVxD8QFdjemxP+xOj6zseX4f03jsQAn5Zdkzg0OI71eUAkhvufPa1BA==
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

2026-09-17T10:41:16.853126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061412
observed 16a8b1e0b60898616e4c993017b67bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.836471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061412/manifest.json
observed 6c39728dc39ea9e181f6aebe0100ca9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.818385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061412/publication.md
observed 1b06bd8552e60f9fae1125d3583390b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.800127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061412/publication.txt
observed 19799d4107382b64fe8ff43243aa4b8b...
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.