OpenTechnical

OT-2026-000034210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034210) never changes.

Identity and time

Publication numberOT-2026-000034210 · never reused
Internal UUID01a0ae75-df0d-7ad2-81a5-a2274bf78e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034210
StatusPUBLIC

Content hashes

Canonical textbe0fec44cf381f9149c611831119a065650cbf2d974c5ca13b3e4f36349adb4e
Markdown3052cbc13002aa8c0277f7f8cd113dc0cb68e7d69d64f767c43811d95f5840db
PDF
Publication page94fccc8f4ae04da82a6aff010d5c45567bab7c7b81ddd5ed999545ce55121343
Manifest736750130878ef610abb590814f49e22ca01da003d83886e0caf38f67f8dcabd

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
Signature58t6727F+PZN8EOs0uqtOKOeg2j0O2qQag+xJnG9i2+eWwoDS2nK3tKQbuKWpamax5I277nsDMe4UsIn6E4CCw==
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

2026-09-17T11:30:45.344434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034210
observed 94fccc8f4ae04da82a6aff010d5c4556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.327506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034210/manifest.json
observed 736750130878ef610abb590814f49e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.312492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034210/publication.md
observed 3052cbc13002aa8c0277f7f8cd113dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.295151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034210/publication.txt
observed be0fec44cf381f9149c611831119a065...
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.