OpenTechnical

OT-2026-000055651

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000055651) never changes.

Identity and time

Publication numberOT-2026-000055651 · never reused
Internal UUID01a0ae86-a103-7f71-98e4-65c7332d0486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055651
StatusPUBLIC

Content hashes

Canonical text7b9e5ca37cffa57c8fd05e4c963e8606157dfe3ef891097aa5524d3e5aab60d1
Markdown1d4ed2656a36f47af9f3cfe99e5fdcc69d5ccbbdc66b09d58c050fb332f823c9
PDF
Publication page75641cba29d67c574b60ef26f19c885ff8870a86926bcd06c6ce1750d0f5be1e
Manifest2548d89a147e61621199282fc0eaf99c583ee2f05d260c925b8ac9d656aad89f

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
SignatureW9YgQz3jEVHkLPeTIEI7q31zYubTlRr8LT4COq/TemDVYjY/cjGRHa/s2+scAl7rAHBwppyvbmgtEHGKfz5CCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:54.449971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055651
observed 75641cba29d67c574b60ef26f19c885f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.433819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055651/manifest.json
observed 2548d89a147e61621199282fc0eaf99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.414559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055651/publication.md
observed 1d4ed2656a36f47af9f3cfe99e5fdcc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.391325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055651/publication.txt
observed 7b9e5ca37cffa57c8fd05e4c963e8606...
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.