OpenTechnical

OT-2026-000099659

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099659) never changes.

Identity and time

Publication numberOT-2026-000099659 · never reused
Internal UUID01a0aea2-c976-7caf-9d52-b2e74b9eccce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099659
StatusPUBLIC

Content hashes

Canonical text1c86fa331ccab04c4f7813c45f46efaa5aa242616783c6c09115726e048d24db
Markdownef359b1e113e7d7dae9e4c18f7932234fe47028a713323461baa1856581e35cd
PDF
Publication pageba3d583f5aa66639697dc7782d3068fe7d5fc127462c6643c402e18c50f7234d
Manifest6ec2f4b012e2bbae544336e181c969726a9ead13967524f86611a98ceb2be8eb

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
SignaturepAU0BPT4+QKPUU52LpDYbJehYPWaTP42wrKBAbTQf/Ybludg5/FrgBO6zodrUaUewR5qCloCmcnZSjgY47EbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:35.970325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099659
observed ba3d583f5aa66639697dc7782d3068fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.953331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099659/manifest.json
observed 6ec2f4b012e2bbae544336e181c96972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.934321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099659/publication.md
observed ef359b1e113e7d7dae9e4c18f7932234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.915601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099659/publication.txt
observed 1c86fa331ccab04c4f7813c45f46efaa...
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.