OpenTechnical

OT-2026-000060388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000060388) never changes.

Identity and time

Publication numberOT-2026-000060388 · never reused
Internal UUID01a0ae8a-b7cb-77ba-9def-f39f3c76be1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060388
StatusPUBLIC

Content hashes

Canonical text1a66aef141d7314b54819c0acab87ec35b5db2496cac513cec563cd1949c34b7
Markdown1431c174340dae5d244abc0aa088d0f54f74701ad311b1545c7fbe99b1352565
PDF
Publication page4a27094a27a9f51dd70b8dbf00004919985c3ccef634594a4d6be6418d8caa48
Manifest3cae16a0bec9b284bd61570695dfcf87767359745d48fa2a4754f203a3097e1c

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
SignaturetlG3OMIWxY8QpJc3fC4Rd8sL1EFOFn11bqnB/7lu/NVv9K1UWeieVIdFWfogybPUOnbV4R7b+Q0qqNMdxcYACw==
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...

Independent retrieval

2026-09-17T10:42:51.340862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060388
observed 4a27094a27a9f51dd70b8dbf00004919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.322188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060388/manifest.json
observed 3cae16a0bec9b284bd61570695dfcf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.303778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060388/publication.md
observed 1431c174340dae5d244abc0aa088d0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.285664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060388/publication.txt
observed 1a66aef141d7314b54819c0acab87ec3...
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.