OpenTechnical

OT-2026-000101163

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000101163) never changes.

Identity and time

Publication numberOT-2026-000101163 · never reused
Internal UUID01a0aea3-c378-700b-bb27-8e359621992d · 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-2026-000101163
StatusPUBLIC

Content hashes

Canonical text87cf4f0380025994a1e0f88609852841f52c95c1805bfe37627dfafc74003d9e
Markdownc25776384e0962e5da04f9105932e3b24fb5e62d0b2b9e17730dfb5fb3dd761d
PDF
Publication pageff2d5b8bd3a64686fc78092cce7976e23301f697250560950cfd11eca6f019b4
Manifest38541eb147b14e0dc0ecfa891d2f155f9336f284d56ab0ded44380e8553647b3

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
SignatureuXwCWBRblfkv/h5e+84iQxdS1Noub8LPCOWfbzwq9I/xg9E8YSsMVjycFbidqtR//ZYYFO1HScpMyY9y+eQfCg==
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

2026-09-17T09:26:48.222009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101163
observed ff2d5b8bd3a64686fc78092cce7976e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.204234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101163/manifest.json
observed 38541eb147b14e0dc0ecfa891d2f155f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.187852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101163/publication.md
observed c25776384e0962e5da04f9105932e3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.170665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101163/publication.txt
observed 87cf4f0380025994a1e0f88609852841...
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.