OpenTechnical

OT-2026-000064659

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000064659) never changes.

Identity and time

Publication numberOT-2026-000064659 · never reused
Internal UUID01a0ae8d-deb8-7d3c-b7d5-4a9c36c0848b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064659
StatusPUBLIC

Content hashes

Canonical textdc91dab1ce82a4f981b9b95266cb09bde30d57a07167901ef7f11f6b48a60798
Markdownaec34c9f4278410aedca98de23c2fb24c027e1a36230f13f20ae60f9b955485a
PDF
Publication page1de1f88a26d0784a02fe827add1aebfd5068d8efe5b0d71dae66bbf63a8bfcd7
Manifest472b77b926a34a5e4ed421b0e8754d426da823925ad5a432010fba9421eb5658

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
SignaturerHDORggtQHhZ2MuYfbdnGnZi4dkZBqrdwdJh+q2CkOtOEm80w2alOnQabPAAd7btR0lw/V/7I6sd+phDjSxqCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:27.043373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064659
observed 1de1f88a26d0784a02fe827add1aebfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.022155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064659/manifest.json
observed 472b77b926a34a5e4ed421b0e8754d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.005353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064659/publication.md
observed aec34c9f4278410aedca98de23c2fb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.987302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064659/publication.txt
observed dc91dab1ce82a4f981b9b95266cb09bd...
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.