OpenTechnical

OT-2026-000071523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071523) never changes.

Identity and time

Publication numberOT-2026-000071523 · never reused
Internal UUID01a0ae91-e0ee-71a2-b4a7-145fb71c07dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071523
StatusPUBLIC

Content hashes

Canonical text1b386d18deeedc490db84f995faa36d7e8ac6408c414841cfd0574fd56c5510c
Markdown5b36b8ceead7e57d3aba74a019c766529bab4e7fe3481462ce0aac49ef00946d
PDF
Publication page0fe459087141561fa07b617c54af2087fde93fd4a0dcbbbb78a498efc250af4f
Manifest67331496128f9ad166603199009de8da652369ec7da78b579def422a5f4b4599

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
Signaturerj0D5nCpcURzzYQlVK2e5kD3ktEQNui33ct0yShZOJ5aIeEsSPcANIIVPmewyjxO0s6iAOFhdw8/5E49RSY8Aw==
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

2026-09-17T10:25:10.360796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071523
observed 0fe459087141561fa07b617c54af2087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.342588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071523/manifest.json
observed 67331496128f9ad166603199009de8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.322971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071523/publication.md
observed 5b36b8ceead7e57d3aba74a019c76652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.303696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071523/publication.txt
observed 1b386d18deeedc490db84f995faa36d7...
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.