OpenTechnical

OT-2026-000008909

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, vented 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-2026-000008909) never changes.

Identity and time

Publication numberOT-2026-000008909 · never reused
Internal UUID01a0ae6b-31b7-7a8e-b77a-33067b7fcd7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008909
StatusPUBLIC

Content hashes

Canonical text79e6f37208ed57600b110fc9574008e497902ef806a87951a7e4ec877c36eac2
Markdownd5353dce95cf9e447707c67cd0b09fecac5ddef48624ca7571cc45da38705681
PDF
Publication page43fc93e13b656cc6b076300d84d097b30853270c1e4b5d831f2b5321f879d303
Manifestcf639f758cfb3905e8eead41decba97ea994bc812f3fc14a428da64353a10862

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
SignatureMKdkop7rCObi465cmTvHagN/ZDrdenSglSwuE/Gi2MS7Jhe9N15nOi8A5K8LA43fLcBd0sZhTT1BXSBwpJlxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.761097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008909
observed 43fc93e13b656cc6b076300d84d097b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.742512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008909/manifest.json
observed cf639f758cfb3905e8eead41decba97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.722066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008909/publication.md
observed d5353dce95cf9e447707c67cd0b09fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.701924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008909/publication.txt
observed 79e6f37208ed57600b110fc9574008e4...
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.