OpenTechnical

OT-2026-000101013

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

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-2026-000101013) never changes.

Identity and time

Publication numberOT-2026-000101013 · never reused
Internal UUID01a0aea3-c377-72a1-af06-7994432a3146 · 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-2026-000101013
StatusPUBLIC

Content hashes

Canonical textc1039b8419ea1c3187ffec2a9f6fa811d568249aaaceb127104f1724b6855513
Markdown8cb3f1dddec69bdaec5a501657004ad2af5fa64572381346916414375fb10da4
PDF
Publication pagedd2a8ac87b600e6a85ddda96f1c3cd67cf2b906cd3fa2690bb4276ab13d97e33
Manifest05f738c2f675792a627fa9047610911babb7e5bf367a5f442a5e9672b8b62dae

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
SignaturebM5lGD2ZIAIyGjDa7+WyIgK/lXAec/tkxLR3GUfxMtb2A1k8V7ZONXsX/hbgviUoDnEoCmR9u7K8yi6mbzfmDA==
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

2026-09-17T09:26:36.953926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101013
observed dd2a8ac87b600e6a85ddda96f1c3cd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.937037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101013/manifest.json
observed 05f738c2f675792a627fa9047610911b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.919526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101013/publication.md
observed 8cb3f1dddec69bdaec5a501657004ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.902543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101013/publication.txt
observed c1039b8419ea1c3187ffec2a9f6fa811...
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.