OpenTechnical

OT-2026-000069157

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000069157) never changes.

Identity and time

Publication numberOT-2026-000069157 · never reused
Internal UUID01a0ae90-6dcf-7ac6-b291-45e5ec9ea372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069157
StatusPUBLIC

Content hashes

Canonical text022bc11129e0ed9db2a160e3d22ad5de6e42864cfda30d2ef0820931d2681f65
Markdownf6ad96099cb560f849051fa3dad2ded919a4315c5595755b995816a9268a9d2d
PDF
Publication page58bf934f5014d324912238ac1d7b87969cfc09aee2e7476660d7b340cacfcaab
Manifeste4c00a2fd74ef1ab2cf15f22616c6e751b584035816f36aa4e72bfa3e0adc77f

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
SignatureA1kcn8vX6gGpzYN02bymqeiWtEQIj6tkW9xwcyJWf5xO3TcTRFBhAfwchga9xqbPX771JjqJaeJ6zCH1lpHcAA==
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

2026-09-17T10:29:02.622872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069157
observed 58bf934f5014d324912238ac1d7b8796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.605002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069157/manifest.json
observed e4c00a2fd74ef1ab2cf15f22616c6e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.587857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069157/publication.md
observed f6ad96099cb560f849051fa3dad2ded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.571328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069157/publication.txt
observed 022bc11129e0ed9db2a160e3d22ad5de...
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.