OpenTechnical

OT-2026-000005639

Publication integrity record

Bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, contact triggered

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-2026-000005639) never changes.

Identity and time

Publication numberOT-2026-000005639 · never reused
Internal UUID01a0a93f-defc-7a66-90fd-46e943492272 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:30.495807Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005639
StatusPUBLIC

Content hashes

Canonical text6a4bcd50db04578f4b0950ef5d2b3defdcc01bd1729b43c9e31dde7f2345a91b
Markdownd2ef63a3680747c4de1d432186d91367a0a729fc6a65a02a194982e24dd49ed1
PDF
Publication page9d939f9b58c97b01e34fbc087832e14c30a24bd011bd40cc91cd9bcd518118be
Manifest0ce5df50ae0fcfe4eaaecc27c859c313241e3179c8a36d4ddedb13414a59bf41

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
Signaturejrcz1yIhBhmjOw4ibPURlzJXu+DTlFePlJ1vAWhSDZvvsXxFLqHfg82DjVNXAGLXNk97yjfXSpyKZFNK5yZ2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:17.660686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005639
observed 9d939f9b58c97b01e34fbc087832e14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.641843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005639/manifest.json
observed 0ce5df50ae0fcfe4eaaecc27c859c313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.623942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005639/publication.md
observed d2ef63a3680747c4de1d432186d91367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.484030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005639/publication.txt
observed 6a4bcd50db04578f4b0950ef5d2b3def...
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.