OpenTechnical

OT-2026-000045300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000045300) never changes.

Identity and time

Publication numberOT-2026-000045300 · never reused
Internal UUID01a0ae7c-f76b-7375-a744-54e882748051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045300
StatusPUBLIC

Content hashes

Canonical text8c9f6bfc0c847b7d90631004a11aeef6584f74cf7427782df667579a067720fe
Markdown7bd4568721effabd7c8a2676c9ca3129ba4696cb600b3bc4e0d365925c28a8e6
PDF
Publication pagebdb8b3508409a3389f7cdeef7a2f1ad24c0f2328e42d1256aa30fd8890c1afa5
Manifestdf0ba5a9d719ce241b7d631fb20eb2533cb258a1b402e3e6f9f9097337855e85

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
SignaturendYT096BmmO7nzG4r3ZhKD8v0SI9o3mTKpwq1auVKNY70BHE9AJhtLRaaul+lOBeMc3VugIP7PZNBtrvFkIYCA==
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

2026-09-17T11:10:32.572518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045300
observed bdb8b3508409a3389f7cdeef7a2f1ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.551990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045300/manifest.json
observed df0ba5a9d719ce241b7d631fb20eb253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.529460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045300/publication.md
observed 7bd4568721effabd7c8a2676c9ca3129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.507194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045300/publication.txt
observed 8c9f6bfc0c847b7d90631004a11aeef6...
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.