OpenTechnical

OT-2026-000006208

Publication integrity record

Vacuum cup gripper, pump fed, contact triggered, sustained blow off after set down, silicone cups

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-2026-000006208) never changes.

Identity and time

Publication numberOT-2026-000006208 · never reused
Internal UUID01a0a952-fe21-7efc-a350-9258e4b7ca2f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:23.652053Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006208
StatusPUBLIC

Content hashes

Canonical text11f4dce2564a0f0a3c81cfb7f56f3fb5fd1fb37c17cca0908cfbc4739574914c
Markdownf6de5c5e1537ba0321b9b0e2a7c9630fcf4e1c11fa9a4e31476f3dd22033ea2d
PDF
Publication page0af96618f0f9a533ad20e18968ddc99ac78e8b1a5961562a3c3cc2eaf1dad249
Manifest775cd7afd9acdd6d3e889a83fd93e761500d74952b9859a57f2c0562ee75b1ea

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
Signature5BJyCcLgAMEu6zO0MU8oY7visBCER0fO3W2S4Ko86zVLLb95j6ot2Z3fn86H4qbWKFA/x9dZQkSpdjq6VFPGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:14.955546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006208
observed 0af96618f0f9a533ad20e18968ddc99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.941687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006208/manifest.json
observed 775cd7afd9acdd6d3e889a83fd93e761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.924873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006208/publication.md
observed f6de5c5e1537ba0321b9b0e2a7c9630f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.909082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006208/publication.txt
observed 11f4dce2564a0f0a3c81cfb7f56f3fb5...
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.