OpenTechnical

OT-2026-000101074

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000101074) never changes.

Identity and time

Publication numberOT-2026-000101074 · never reused
Internal UUID01a0aea3-c377-7fa8-87bd-7e744ddf7489 · 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-2026-000101074
StatusPUBLIC

Content hashes

Canonical text6a1e9a73ba99eb933f9cb55d5fba11872381da88347c93f69b2de728be5adaad
Markdownd26ac06885e41600c98da9eeb31e952c4c4d57d61b0f98bde07254c9210979b4
PDF
Publication pageda6c4901b8dff4d01629eb68726735bc9e5b210cdcd62d412411dbec1bd6fd96
Manifestc0b972db769b717a6df3c9580569f4dd3c5da67f8109f5463eca7c2f74f7390e

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
SignatureOkJPkcBvIDL9jl718ns7gqhq9sicWLMM4Tcbpcqa3evW/0lKFUD2mbwcoa/58eGQ0oE9GeIF1YFBcdZSAFznDQ==
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

2026-09-17T09:26:41.514292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101074
observed da6c4901b8dff4d01629eb68726735bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.496978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101074/manifest.json
observed c0b972db769b717a6df3c9580569f4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.479431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101074/publication.md
observed d26ac06885e41600c98da9eeb31e952c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.431840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101074/publication.txt
observed 6a1e9a73ba99eb933f9cb55d5fba1187...
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.