OpenTechnical

OT-2026-000053303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000053303) never changes.

Identity and time

Publication numberOT-2026-000053303 · never reused
Internal UUID01a0ae85-0a15-71d6-b455-e05dd1f5b934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053303
StatusPUBLIC

Content hashes

Canonical text59b91bd3bc235b45807629a543ec4515f0aeaddef918bbb271f13a805f660d82
Markdownd0cb68f53bace098bc4ff237cfc27a7905c4461c1fe8a36e3681e36d0c672e29
PDF
Publication page158039db36feaa2371c915687d74552c578608cbe47290029c3d6b9fc2d0cadd
Manifestd55ab7dbadee31996a966b628746f6f73b0fc21b37c23cde65011ad37b74f1b0

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
Signatured1UlfqEyHly6Rp4OT+G4nxNyA5zBC5lxiJNUnO7DcM4uV8Q+VXfzxVMTV57G/pdwx63t0ESsF7xpCwaiFfJ0BQ==
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

2026-09-17T10:54:59.582847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053303
observed 158039db36feaa2371c915687d74552c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.565516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053303/manifest.json
observed d55ab7dbadee31996a966b628746f6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.547556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053303/publication.md
observed d0cb68f53bace098bc4ff237cfc27a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.530908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053303/publication.txt
observed 59b91bd3bc235b45807629a543ec4515...
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.