OpenTechnical

OT-2026-000088270

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088270) never changes.

Identity and time

Publication numberOT-2026-000088270 · never reused
Internal UUID01a0ae9b-5d26-76b6-ba2e-8c150e5f4225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088270
StatusPUBLIC

Content hashes

Canonical text76e6e19a6c8779e72e105264942db87e4ec7eb10ef030f806c61babaf39fb119
Markdownffd3d0af2b7fe6be6433a9474fc731614904e54c053bff94bdff420773e9e98e
PDF
Publication page0519b4fdfc9a2f97e00f2cc86cffaef18bb3291ec7574a49b05fcb526ac8c8aa
Manifest73f9309a9b454b8800086383b4b6129a603901ad761e03fd3e9d5520fb968504

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
SignaturetAaQWlEYOcfRU8jZPpFmqwTwy2I3b4OU/8GhfldSUHnMYB2zOHtcSH/J2ygOTzmY8oqFhcAjhX0woBRka7i9Cg==
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

2026-09-17T09:48:34.701821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088270
observed 0519b4fdfc9a2f97e00f2cc86cffaef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.685322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088270/manifest.json
observed 73f9309a9b454b8800086383b4b6129a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.670031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088270/publication.md
observed ffd3d0af2b7fe6be6433a9474fc73161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.652014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088270/publication.txt
observed 76e6e19a6c8779e72e105264942db87e...
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.