OpenTechnical

OT-2026-000078301

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000078301) never changes.

Identity and time

Publication numberOT-2026-000078301 · never reused
Internal UUID01a0ae95-7c27-7605-b29f-401b958fadc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078301
StatusPUBLIC

Content hashes

Canonical text62ecb210af286c1d48b06eaabac8d3772f1c1de65d7b405dd179956ceea941d9
Markdown57ba9a254994c577e5b8e8ce9386dbb85e36261bbcff384fb846b11d02fcf3b0
PDF
Publication page46e37d7356217b86f1a447f59d65dcf35aaf3651f1f517613ee5b414f13d68b4
Manifestb61f6dcd00ed2595bdbb4cf3cedc90868d81ca766709cbe94549702fe7aded37

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
SignaturevlP6uki5maN8LIoVtCDneesK9s3xFCsrj7L+OJBZK5FwoR0Z3FMh6W8Vqu0NzkSW8+AUVeQOtTMeAVs2oPacBA==
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

2026-09-17T10:06:15.926563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078301
observed 46e37d7356217b86f1a447f59d65dcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.908798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078301/manifest.json
observed b61f6dcd00ed2595bdbb4cf3cedc9086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.891563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078301/publication.md
observed 57ba9a254994c577e5b8e8ce9386dbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.874530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078301/publication.txt
observed 62ecb210af286c1d48b06eaabac8d377...
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.