OpenTechnical

OT-2026-000049837

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049837) never changes.

Identity and time

Publication numberOT-2026-000049837 · never reused
Internal UUID01a0ae81-8ff0-7638-8003-a38806ac4762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049837
StatusPUBLIC

Content hashes

Canonical text134853c0166f3ee55b7844130cb1281b1d86b786431e94def48b138f2b75859c
Markdown38cffc27c9e13ecaace2a162b0dafa8fcee794e61a27918e2ec2859330a5b96b
PDF
Publication page0f80b6cf77929982344675f05707fad9f05dd52f57444734f3c54786769043fb
Manifestc07cdbdb6f3847785a788c232b2296bfe04f50d1fca07f0a7c30bb36d16afb06

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
Signature6dhm5we487I1zZu5piIN1//LAr+SsFQahVZ+URJr4z0gBcNdMILCLrl7juQhuY0rotvzRjYX8m1FOOzOXXLiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:02:58.515857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049837
observed 0f80b6cf77929982344675f05707fad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.496454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049837/manifest.json
observed c07cdbdb6f3847785a788c232b2296bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.476379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049837/publication.md
observed 38cffc27c9e13ecaace2a162b0dafa8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.456552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049837/publication.txt
observed 134853c0166f3ee55b7844130cb1281b...
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.