OpenTechnical

OT-2026-000049375

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000049375) never changes.

Identity and time

Publication numberOT-2026-000049375 · never reused
Internal UUID01a0ae81-8f7b-7617-9627-630197670100 · 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-2026-000049375
StatusPUBLIC

Content hashes

Canonical textec8206a7321c5e8d47cfb5a612d30bfd97016dfd5ce76106e85dbba11876ef4d
Markdown82b913d71c388adb6fc788d44ce2debea81378e6350a4c716f8a4b34650ccb69
PDF
Publication pagef9f8c501255f2ce7b7ae9b4bf26a358908b31ac48c1d7d5df6c778b499846aa5
Manifest1a542e5891a5acb688fd6e186a4077e8327d71e5b9b8e29eadeec5080d80cbe6

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
Signature69HOXqbMV8CZYZaH1/fH/jctjWMCGNsqEkaj+JHmvp68WWTKupkTJ1xQlzolVzAWjcEsZhP02mh+U/+woNMHCQ==
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

2026-09-17T11:02:10.719338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049375
observed f9f8c501255f2ce7b7ae9b4bf26a3589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.699858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049375/manifest.json
observed 1a542e5891a5acb688fd6e186a4077e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.681661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049375/publication.md
observed 82b913d71c388adb6fc788d44ce2debe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.661958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049375/publication.txt
observed ec8206a7321c5e8d47cfb5a612d30bfd...
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.