OpenTechnical

OT-2026-000064743

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000064743) never changes.

Identity and time

Publication numberOT-2026-000064743 · never reused
Internal UUID01a0ae8d-deba-7b8f-85f8-ba0ae5c27e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064743
StatusPUBLIC

Content hashes

Canonical text4bfd28213d97e83710e77e1b8b40cb7f4cc1a688efa918527c5180ed68dbb4c6
Markdown49cf66b25ca59e381c9f20859b293017c0b66f9c1bce4ff49926d529e4bda622
PDF
Publication page3ee361b6b725608bf5d1697242e48809ebd267d5655ab31c64a8a45331577178
Manifest2ae11bf065a48c0520ec2eefd3670aadb3af08239fbc6675e1edf1d2bf2f5a68

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
Signature0kig6EQvppHnXSmwkhtM/BLc6GVTQpxo2R4EmKeiMcwia0y7igidHGLMPmeFPYYsnObSUQb0Qh2CB5MFsdDrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:37.442145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064743
observed 3ee361b6b725608bf5d1697242e48809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.425535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064743/manifest.json
observed 2ae11bf065a48c0520ec2eefd3670aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.408328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064743/publication.md
observed 49cf66b25ca59e381c9f20859b293017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.391518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064743/publication.txt
observed 4bfd28213d97e83710e77e1b8b40cb7f...
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.