OpenTechnical

OT-2026-000065755

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000065755) never changes.

Identity and time

Publication numberOT-2026-000065755 · never reused
Internal UUID01a0ae8e-46fb-7843-923a-14557f3ee2fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065755
StatusPUBLIC

Content hashes

Canonical text30efedfbcaf1bfe36d8a1b8e4941302751823da5cdd98594393de30582345192
Markdown6498caade93407dd8e21e7a980cf3888300ae1d3bb04b64966a1fb17cf0cd84f
PDF
Publication page8d4440e425e007fbfda9deb16494ba7a0d666990cc0952fae1ee22d8e861bb0a
Manifest48af41c30ce770dbfb1e7e06bbe4f43c9384f127c4967458e025756720d0b202

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
Signature5gFEZAzroUL9ykvcckgMm4OJY9/IUMtQH5mhTdf7s9fZypSWbu1/OZq+RMMI1BgKGs5dwAM3AtjEMpeskUviAQ==
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

2026-09-17T10:34:11.279819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065755
observed 8d4440e425e007fbfda9deb16494ba7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.262526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065755/manifest.json
observed 48af41c30ce770dbfb1e7e06bbe4f43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.245388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065755/publication.md
observed 6498caade93407dd8e21e7a980cf3888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:11.228325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065755/publication.txt
observed 30efedfbcaf1bfe36d8a1b8e49413027...
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.