OpenTechnical

OT-2026-000033025

Publication integrity record

Single cup vacuum gripper, three 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-2026-000033025) never changes.

Identity and time

Publication numberOT-2026-000033025 · never reused
Internal UUID01a0ae75-4843-75b8-b0fb-68744f418e17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033025
StatusPUBLIC

Content hashes

Canonical textdb1a6b64ac5f2d7d315b57df92e1642ff8df878c3153a6fb01363709780ddfb1
Markdown0c6762c5baa84c222f2ff8bde0804cb4b1f993cfc4217abf9dc2cf743c3d89f9
PDF
Publication page62f668a303f198767b97ce6ef8d821899b8415fa5a73fd59a8107541e92b63e7
Manifest3222f7dce22dd12f5e29a579d190a50282a1b244c4bc67a71d36170b61e35de0

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
Signature2kCIDrCPfz+Fy3hgqebuNGRAi0qoRO6TIopzfMFnYNnxmirlFVpXzu3Ax82foAAZI9CHmxNzIZtGQr6bUYWlBQ==
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

2026-09-17T11:32:39.243695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033025
observed 62f668a303f198767b97ce6ef8d82189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.224190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033025/manifest.json
observed 3222f7dce22dd12f5e29a579d190a502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.206156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033025/publication.md
observed 0c6762c5baa84c222f2ff8bde0804cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.186452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033025/publication.txt
observed db1a6b64ac5f2d7d315b57df92e1642f...
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.