OpenTechnical

OT-2026-000029384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000029384) never changes.

Identity and time

Publication numberOT-2026-000029384 · never reused
Internal UUID01a0ae73-5e20-72e7-b294-6ca8aade7c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029384
StatusPUBLIC

Content hashes

Canonical textfecbee71318d9adaa75a0ed1009359a1a22783d989671a4831e84b970dbbb79f
Markdown5491332bca220dc8673964dae8818478735616d02629e977ef1792e2cbf07750
PDF
Publication page31a5fe3f96c853d0c964d4c0734eb297e065492c7536319eba848d158f09f4bf
Manifest979d1caa34a1715fe0802e55ad8c01931eb481dce600b7fceb4631666479cc20

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
Signaturedly6SF7+SLMDxD81L2jFRVlVxJXTVe5whttIYgQor+4nkvUCiHrJBJ8sO6RkdprNYV1pEl4XafHMpYniBFXDCw==
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

2026-09-17T11:38:57.013387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029384
observed 31a5fe3f96c853d0c964d4c0734eb297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.993474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029384/manifest.json
observed 979d1caa34a1715fe0802e55ad8c0193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.976753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029384/publication.md
observed 5491332bca220dc8673964dae8818478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.956460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029384/publication.txt
observed fecbee71318d9adaa75a0ed1009359a1...
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.