OpenTechnical

OT-2026-000053775

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000053775) never changes.

Identity and time

Publication numberOT-2026-000053775 · never reused
Internal UUID01a0ae85-735d-7a06-83a0-4cb3ed99b6f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053775
StatusPUBLIC

Content hashes

Canonical text4995409f204b9c47598743d1db7a74ad22d8102263b2629aab898a3382c62b21
Markdowna414c6c90515c768103ba53d72f995ca05970429b7c2a72a3ba957b27d37b3e4
PDF
Publication page3d795c6a38a1a6bd66ffd60aae4da938f6ede6c4a629cd01f44df20a449dbdc0
Manifest8703ca0b8969ec29a9502a37af8d33e265d207f2364c0b0a0ae5f0c4d3c65a33

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
SignatureNWwO+OMXqvgAXgoqySZKPzCNcYAJ6QOgWPoiSlwGktdHfB2Ddfu4yjNTNloBMJFjzPT4S27evluIXg2iaxZEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:26.244970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053775
observed 3d795c6a38a1a6bd66ffd60aae4da938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.225386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053775/manifest.json
observed 8703ca0b8969ec29a9502a37af8d33e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.083152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053775/publication.md
observed a414c6c90515c768103ba53d72f995ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:26.065642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053775/publication.txt
observed 4995409f204b9c47598743d1db7a74ad...
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.