OpenTechnical

OT-2026-000034090

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000034090) never changes.

Identity and time

Publication numberOT-2026-000034090 · never reused
Internal UUID01a0ae75-df0c-7e2a-845b-f637606733e1 · 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-2026-000034090
StatusPUBLIC

Content hashes

Canonical text2ff3aa7d5ad91e0ab3db0564b67be78b35dc61530bacfff76442386d529c6532
Markdownd160b1ce4c59363cc3918c37e8ab34ff6a8e2f5e5372f926449a663eb9194dca
PDF
Publication pagee82c4b41ec9e324d478da64fe951bbc16d361caf0b57d6f88592edb4f810ffb0
Manifestc2ba98c9ce7c41d0f0931d2636f61a2d8f3dfea2d620afa53f8097c804f10c68

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
SignatureR3eDXF46K0k9W8mWcIzmIQYnd8CU0w8Ko03o66N6FUXWj+E5mtZNhPb/JloVRhJMZbpTk/eP/AH/abnubfeaBw==
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

2026-09-17T11:30:27.915989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034090
observed e82c4b41ec9e324d478da64fe951bbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.897136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034090/manifest.json
observed c2ba98c9ce7c41d0f0931d2636f61a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.877661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034090/publication.md
observed d160b1ce4c59363cc3918c37e8ab34ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.853574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034090/publication.txt
observed 2ff3aa7d5ad91e0ab3db0564b67be78b...
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.