OpenTechnical

OT-2026-000095682

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000095682) never changes.

Identity and time

Publication numberOT-2026-000095682 · never reused
Internal UUID01a0ae9f-fac4-713a-8a41-32e20b7cb3df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095682
StatusPUBLIC

Content hashes

Canonical textd57ebd4bf7b2c55d563b92cabdab644f2805e628b2e19cc7719b7818bc51f022
Markdown040e7b29bf99df35963364c7088479393825b866bb952d58865b7e0a947a621a
PDF
Publication page47ecd27a5482b774bcb8304fb6a7e60854faf1d9ea21b71dd26e7faa4c3ada4e
Manifest1024e7b4071f9fe0d439f3f6e7094bac725a868d66426a65a1e86b4f1851aae2

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
SignatureaRUL3y44l3jQOIVp/pWOVbOMRYdfEoKcb8OvQTnV6VwzIn1qH1VQJQswm8TzwdOqoCdPL86Clg4NxOye8zimAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:09.509217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095682
observed 47ecd27a5482b774bcb8304fb6a7e608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.492282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095682/manifest.json
observed 1024e7b4071f9fe0d439f3f6e7094bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.475668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095682/publication.md
observed 040e7b29bf99df35963364c708847939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.457824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095682/publication.txt
observed d57ebd4bf7b2c55d563b92cabdab644f...
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.