OpenTechnical

OT-2026-000084409

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000084409) never changes.

Identity and time

Publication numberOT-2026-000084409 · never reused
Internal UUID01a0ae98-5b62-75a3-8b56-8fac56667cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084409
StatusPUBLIC

Content hashes

Canonical text57d18b2685fdcae6f082fdebec86f78c16d01dd93f16266e6bf4db8d2b365ffd
Markdownb6a29d2ea3c36804582d87058a96b2aa3745f7fbcc9c2e9e020cec03244b1bf9
PDF
Publication page91c7c99099104178a35ab7dfe1004e0effb53871341411e04decd60a7baf9a1a
Manifest8ea8bbad6a4636afc7147dc4d1290c8288fa1243a2485e32efc18737a382cb7d

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
SignatureWjXABQOdSBE4hgIWhKxUe0MfrSXySlCZCDqJc6EKt/mPtwnX1SQ0LACmJ6e2YYjXgrGvdmSrchvwW9HjIFF+AQ==
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

2026-09-17T09:56:21.408784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084409
observed 91c7c99099104178a35ab7dfe1004e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.391693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084409/manifest.json
observed 8ea8bbad6a4636afc7147dc4d1290c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.373069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084409/publication.md
observed b6a29d2ea3c36804582d87058a96b2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.354165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084409/publication.txt
observed 57d18b2685fdcae6f082fdebec86f78c...
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.