OpenTechnical

OT-2026-000101012

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000101012) never changes.

Identity and time

Publication numberOT-2026-000101012 · never reused
Internal UUID01a0aea3-c377-7bb6-bf9b-0edd6f709e86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101012
StatusPUBLIC

Content hashes

Canonical texted3d527f800fc466340f8c26d4f7bf88d646a1b0066c12ae774261a912b42fef
Markdown3e59277220d6689f2f0414d1bd4e861d5c284fcd0cc7fde8cb666b03fa57cb70
PDF
Publication page553eeaca9689c81887a881219eaf01f0ba93680f8176b639236d1a2d69ad90a5
Manifest766359e2641cefaf272764c8d87535546213dc4d23f6e7c8f3c944c25ae647f6

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
Signatureb/HFssnJnBbfkd18sUCTjkTiZpmZY50J0F4Mb7z4DFSY1AdsGYc8R+wZNrRZLxO3QrbcyfD7LK0sIZlC+SEAAA==
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

2026-09-17T09:26:36.881563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101012
observed 553eeaca9689c81887a881219eaf01f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.864419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101012/manifest.json
observed 766359e2641cefaf272764c8d8753554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.845954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101012/publication.md
observed 3e59277220d6689f2f0414d1bd4e861d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.827864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101012/publication.txt
observed ed3d527f800fc466340f8c26d4f7bf88...
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.