OpenTechnical

OT-2026-000084987

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000084987) never changes.

Identity and time

Publication numberOT-2026-000084987 · never reused
Internal UUID01a0ae99-43b7-79cc-aac1-644ec530eb05 · 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-2026-000084987
StatusPUBLIC

Content hashes

Canonical textf2031370358768c76d02d52842a33941fd913e372bbc0e3a5b775dae51167dab
Markdown467b646cb729ab82a8a250a6a9d858314d9dd3f7a36aa41ef1879e969d34b61d
PDF
Publication page6baefb0f3cdce41e9cb5fb3bc3c27e286dcd093c3e673176a0b661268edd95d2
Manifest107cd1b6a995dbc36dbbe4255f4bdcfb52f0f14d688b2d518d1047e6139d3720

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
SignatureVHVfSDwG2t6ry3AD4WVGvT1W/UMl/55J3zKvUM0FgKPDjQTBL06rdzq8xzw3vFyDRWyuXNG9itv+gQutTmmsDg==
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

2026-09-17T09:54:59.308055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084987
observed 6baefb0f3cdce41e9cb5fb3bc3c27e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.290913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084987/manifest.json
observed 107cd1b6a995dbc36dbbe4255f4bdcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.271079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084987/publication.md
observed 467b646cb729ab82a8a250a6a9d85831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.252352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084987/publication.txt
observed f2031370358768c76d02d52842a33941...
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.