OpenTechnical

OT-2026-000073685

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000073685) never changes.

Identity and time

Publication numberOT-2026-000073685 · never reused
Internal UUID01a0ae93-2b8c-7ccc-a1f4-b41747082720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073685
StatusPUBLIC

Content hashes

Canonical text1e5492d6a9b44786c91434dbe20f79c2798d8525bff727ec1d36cffc4e8ad937
Markdownbb53daa55a5ce19e07b3ee5b20f73822580b4906ae3624d92b4c67fcb3b5a819
PDF
Publication page803a1a070bfe149651bd6b2f0ddceeeebe66b817874d35ea64c46c7b55b85883
Manifest84518bb0ca03a71929faa2c96fb0ed053288e3bd7b11eea28eab49c3026a9fc3

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
SignatureOtQZdxsOZOuA2mcFz0eb/tRFWeW6AMz9vdORgUHLL2Ow+HmO33Gj0guoCpa9IvjCTgFTQzSuT7SOSUm/Bwy9Aw==
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

2026-09-17T10:19:44.752243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073685
observed 803a1a070bfe149651bd6b2f0ddceeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.734402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073685/manifest.json
observed 84518bb0ca03a71929faa2c96fb0ed05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.715869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073685/publication.md
observed bb53daa55a5ce19e07b3ee5b20f73822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.698008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073685/publication.txt
observed 1e5492d6a9b44786c91434dbe20f79c2...
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.