OpenTechnical

OT-2026-000087069

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-2026-000087069) never changes.

Identity and time

Publication numberOT-2026-000087069 · never reused
Internal UUID01a0ae9a-9f2d-7b0b-af63-10df8948f31a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087069
StatusPUBLIC

Content hashes

Canonical text126a6b3171efd74d53084c78bb32ddad8473cd22f2abf229160e553b1b0b73f5
Markdown7093435fa7b75ff5497aa97c997a9b2ace2fe94e2050a1e3f3b17dab70c4c48f
PDF
Publication pagefbab5ec42b4046b330912ab68b0d52321cc8b121c67d06394a685493220a02ba
Manifest124ef9005e39a35d20cad6308cd6d90f39d5082e9b214f764f7c19541146a6c9

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
Signature15MIAIvAmf98INUGpZcp9O/2vlCGDVPrJwz0hp0ir2rcpTPywisQH6Ag+GfgkKfWYkI7XpuujXqqCze3L31fAA==
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

2026-09-17T09:51:19.346364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087069
observed fbab5ec42b4046b330912ab68b0d5232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.330974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087069/manifest.json
observed 124ef9005e39a35d20cad6308cd6d90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.314455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087069/publication.md
observed 7093435fa7b75ff5497aa97c997a9b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.298005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087069/publication.txt
observed 126a6b3171efd74d53084c78bb32ddad...
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.