OpenTechnical

OT-2026-000098973

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000098973) never changes.

Identity and time

Publication numberOT-2026-000098973 · never reused
Internal UUID01a0aea2-8286-7de9-a159-e742e6701b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098973
StatusPUBLIC

Content hashes

Canonical textc28d73b44698a4ce244c44653d9df4287e839b26f036d7851e38477faa403c01
Markdownfe85b8bd8b6af8d7e5024d7ec355c69560bf713b8097363a8562bd74ad20ca64
PDF
Publication pagebde4100d9e7218d909efa0da53f3251b0ec6fcebd2da72a41ad5ec820217d2be
Manifest8f054e6462aaafc7076879312dd789b3905036e84bb4ff8affc5a225f8885e6a

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
SignatureY7/ZDyEWAztbYtsKzHcPkBgM70HDQBSswyaf4VJ3fDyaoU4hF0zHOPjFTqWyHZ4UR8erFkgEVzlHDk4BkdRyBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.171710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098973
observed bde4100d9e7218d909efa0da53f3251b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.014721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098973/manifest.json
observed 8f054e6462aaafc7076879312dd789b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.997689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098973/publication.md
observed fe85b8bd8b6af8d7e5024d7ec355c695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.981973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098973/publication.txt
observed c28d73b44698a4ce244c44653d9df428...
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.