OpenTechnical

OT-2026-000016508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016508) never changes.

Identity and time

Publication numberOT-2026-000016508 · never reused
Internal UUID01a0ae6e-2d13-742e-a0fe-922f1f578db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016508
StatusPUBLIC

Content hashes

Canonical text9636d2d1b3fe4a28d0b059ad9293eeeff4d418b5ece50d510aabe02e1446bd0c
Markdownab730592e0516f414371df8657f00709f2f8c419b9f2f6f2ca6dc23d5de72cd5
PDF
Publication page52f054008702fbe8f7caa7cdca751af68b015924d413cd0a8896a48323f13b64
Manifest395de116ffab36d94407944243c0a4b4647952f051e1e2df48fbf7110eba734b

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
SignaturevlOW94s5fep56C6ZbYqWY/kExpfcpBv1Ki1SyUBiD0jC8MkBf8QlWLSgRXRCkF96dU3g2jsZ1io/0sRC6OCdCQ==
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

2026-09-17T12:04:43.248825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016508
observed 52f054008702fbe8f7caa7cdca751af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.230088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016508/manifest.json
observed 395de116ffab36d94407944243c0a4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.204027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016508/publication.md
observed ab730592e0516f414371df8657f00709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.187139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016508/publication.txt
observed 9636d2d1b3fe4a28d0b059ad9293eeef...
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.