OpenTechnical

OT-2026-000019101

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000019101) never changes.

Identity and time

Publication numberOT-2026-000019101 · never reused
Internal UUID01a0ae6e-d523-7b28-8375-029886498569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019101
StatusPUBLIC

Content hashes

Canonical text78b09cdf2412162acc94ec2fdd960db5faf997244cecc59ece6fbca22cd42795
Markdown29e432f41626f558f320f91c1849b9219a75e6a5e8d625d738912e23737114dd
PDF
Publication page071f24560ed1a447e206f83faa4215f0665bece8a0560685ce446eacf6aec632
Manifest84894dc4250d520c35e64916dba7806ca7b963c63de2803070858486259aaabd

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
SignatureBpMLqmV92WUjKYufat3TI38OTGCsgRlvNyY3KYaZLxGzQGx4TKL4oq5FDQqqbDMnXhujaFHaLkPnD+xet0POBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:48.571950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019101
observed 071f24560ed1a447e206f83faa4215f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.554457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019101/manifest.json
observed 84894dc4250d520c35e64916dba7806c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.535217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019101/publication.md
observed 29e432f41626f558f320f91c1849b921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:48.516338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019101/publication.txt
observed 78b09cdf2412162acc94ec2fdd960db5...
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.