OpenTechnical

OT-2026-000031595

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000031595) never changes.

Identity and time

Publication numberOT-2026-000031595 · never reused
Internal UUID01a0ae74-87af-7eb3-aee1-d72f43919fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031595
StatusPUBLIC

Content hashes

Canonical textce7101143f6732b59881cc761af746ab8c0c467985e84921517cb092fead8b01
Markdown8bbc56ce8495fbb8d0c119d712cfd9aa0cc752df62aa5274c001470c7179b4d8
PDF
Publication page0f2a4c29f782bc0e9d47fd5224a88c62a97575f8d39d10f1b8aafd723af54b02
Manifestdc43f98bb14b5e5c1dabc94606751e7da172745d4bde4b71138433cf26ba65e9

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
SignaturezK++ANat3HFZ5olca8ifQMb8nzA2X6cxfdssGE0Le3v3eiCUHJ1X0qjxNviZhp0+7JY3sAznhT8jgSPoINDhCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:36:27.073672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031595
observed 0f2a4c29f782bc0e9d47fd5224a88c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.056664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031595/manifest.json
observed dc43f98bb14b5e5c1dabc94606751e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.036883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031595/publication.md
observed 8bbc56ce8495fbb8d0c119d712cfd9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.018156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031595/publication.txt
observed ce7101143f6732b59881cc761af746ab...
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.