OpenTechnical

OT-2026-000032147

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000032147) never changes.

Identity and time

Publication numberOT-2026-000032147 · never reused
Internal UUID01a0ae74-f7a5-71b8-a8e1-3316099585c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032147
StatusPUBLIC

Content hashes

Canonical textfcdcfdb6aeb1b141d88126cf9b903e757c6894c06109bd9f4d956ff9ed601390
Markdown8683611eb3233d5f659d40e1e7213e4f89d4b6324e2c50dfd297031049cfb11b
PDF
Publication pagea7b278ec153c8341b7fdc8053d957e54ad9c2e6d434561d51d450f5fa77f4e72
Manifest57030cc7a158d89443e924358ca9e330e6d7753f31f2fa6133df8d7daa0faf31

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
SignatureWhO2BirfBmU6T3/qymrfYT3AUtQLd8SJWy+F6Gp1SapqPzPJ1waKKwMwi/TzJ17jjDMoJDvGpMppoCl1jLBbBw==
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

2026-09-17T11:34:28.162038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032147
observed a7b278ec153c8341b7fdc8053d957e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.142766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032147/manifest.json
observed 57030cc7a158d89443e924358ca9e330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.126313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032147/publication.md
observed 8683611eb3233d5f659d40e1e7213e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.108683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032147/publication.txt
observed fcdcfdb6aeb1b141d88126cf9b903e75...
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.