OpenTechnical

OT-2026-000013190

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000013190) never changes.

Identity and time

Publication numberOT-2026-000013190 · never reused
Internal UUID01a0ae6d-6fc8-7025-9d27-5141cecb44fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013190
StatusPUBLIC

Content hashes

Canonical text0edd2f08e15c7c6851407cee5c1b239d3411f4c85cb46b87331a3ec1a5c50e7c
Markdown9a76e2f6114049d597070fb07cbf58490f8a96e458699559bb4761c67808d212
PDF
Publication page5228c0a9b7f05b80dcbda9da195559e83929f8a3bd0fc9a294ccd88a53d9372d
Manifestd1685c6c719f77eb20173a3765daf677fa903cdd69feb74a211520a3717b097f

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
SignatureHZdEzMMmsOhLPTi0tO2Ved7a13j4DO+Df4ssl3liNnVBr6KAdIIXioBPKbDBt+IDep0c8Jg9Bc/crDhmlm9VBg==
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

2026-09-17T12:09:34.275142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013190
observed 5228c0a9b7f05b80dcbda9da195559e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.257899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013190/manifest.json
observed d1685c6c719f77eb20173a3765daf677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.239399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013190/publication.md
observed 9a76e2f6114049d597070fb07cbf5849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.220834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013190/publication.txt
observed 0edd2f08e15c7c6851407cee5c1b239d...
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.