OpenTechnical

OT-2026-000087659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000087659) never changes.

Identity and time

Publication numberOT-2026-000087659 · never reused
Internal UUID01a0ae9a-cd54-7866-894d-2c2e6c2b0e24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087659
StatusPUBLIC

Content hashes

Canonical text7e61cbff470cdca8f30a29e7c69df04f7adf13b6e7f1af7901413f75956cbb94
Markdowna2cfd561d5be06a6f98ab1461f2f53da3109c55064e5dde13b58973411e55275
PDF
Publication pagefd43a7befc0820d27e315b26809bd52d3366a4fe803fb9d0a1bb82faa920a768
Manifestc26954e89f653039ef777bf9d4350054a717659f83d875abc526ba621aa55114

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
SignatureqQO2oLO7cRjaGhYn25NPv/FeNnXYzD3TzQAW5XK8doiS7Kls7DbEUCLg4tUkgwyMMIUzcTtESGoxVs/lOLhyDg==
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

2026-09-17T09:51:06.226532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087659
observed fd43a7befc0820d27e315b26809bd52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.209887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087659/manifest.json
observed c26954e89f653039ef777bf9d4350054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.193880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087659/publication.md
observed a2cfd561d5be06a6f98ab1461f2f53da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.177380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087659/publication.txt
observed 7e61cbff470cdca8f30a29e7c69df04f...
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.