OpenTechnical

OT-2026-000085208

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000085208) never changes.

Identity and time

Publication numberOT-2026-000085208 · never reused
Internal UUID01a0ae99-43ba-7b3d-bc52-6172124e92c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085208
StatusPUBLIC

Content hashes

Canonical textd7d9b29476133697bfbba232c422e080dd290feba0ca5d0f1cbaf6c09cab54b7
Markdown0b56bcd2195952101d4491397709af81f60fb96bcd07fac150f3c0848d55a092
PDF
Publication page7322aa9fe11fee11ab70bcbe20dc8c43a4e9a1cad00449c8a52d4bd788a4ea7a
Manifest81e70aea323731822d5a6f44b1372f1cb1bd3dc1c60e6887cf792c4924c09acb

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
Signature8UHJ8vYDweQmM6iiHE+MKlCZipx+dcNro/uLhtksRrfM2IjJ5j6tXaoMPfGVwnQm7Wu/3uYzw0Km0o1NMW/eBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:18.118546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085208
observed 7322aa9fe11fee11ab70bcbe20dc8c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.103285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085208/manifest.json
observed 81e70aea323731822d5a6f44b1372f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.085721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085208/publication.md
observed 0b56bcd2195952101d4491397709af81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.069437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085208/publication.txt
observed d7d9b29476133697bfbba232c422e080...
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.