OpenTechnical

OT-2026-000098986

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000098986) never changes.

Identity and time

Publication numberOT-2026-000098986 · never reused
Internal UUID01a0aea2-8287-76c6-8870-11eab256f192 · 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-2026-000098986
StatusPUBLIC

Content hashes

Canonical text0a0b2aea8d155545758fd9c5db973fe4ea4618f6a5b5239909330ac337be961f
Markdownbecd95fed1a4a3b2083f7b9a52dbd749b91e397dfacdd587a4d829688051999a
PDF
Publication pagea9c4e9d6969364242c499f34d24ec6fa0d5e18239c608a65e2aa1c50357a9477
Manifestc7d30cddc8c70254c4cf851148cd5b2899524abf61a9519145a5bc21bf323c5d

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
SignatureV5lWxf4KGDpZvUxD5M12clGE5PXLj7rvTXVZ4T7kzI9f4n2StgR0D4yIO7WAZbD6hScNCITQANPfb431p5RVCA==
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

2026-09-17T09:30:00.726464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098986
observed a9c4e9d6969364242c499f34d24ec6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.709232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098986/manifest.json
observed c7d30cddc8c70254c4cf851148cd5b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.662830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098986/publication.md
observed becd95fed1a4a3b2083f7b9a52dbd749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.616968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098986/publication.txt
observed 0a0b2aea8d155545758fd9c5db973fe4...
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.