OpenTechnical

OT-2026-000088438

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088438) never changes.

Identity and time

Publication numberOT-2026-000088438 · never reused
Internal UUID01a0ae9b-5d27-7636-8618-f73d9c68ca08 · 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-2026-000088438
StatusPUBLIC

Content hashes

Canonical text501e5911167839de361359e4be8b2c333eda364d015bcb17e2f145cd44d271ca
Markdown871c4a6f88f125b02bb4c68a8d9cc8663f6ca12536c6fe5e514afd9e955e9ed2
PDF
Publication paged69190f2f4fc15614e6ee66c029e059bde767e3cb417dce8afb9ec9c99a89926
Manifest78bbbc3d93eb43b8bbca752f770c869e9324f8b6e9e24eceba7749d7f6ab0046

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
Signatureqo3OPu87zUqkIWLJvLnLnlDMhAcG6WrNgKf/fRG9ZV40FADGXpx4tjbM/eJNkfJFHm1/Qha/KHhfFiJdpFm7Aw==
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

2026-09-17T09:48:48.815991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088438
observed d69190f2f4fc15614e6ee66c029e059b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.796340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088438/manifest.json
observed 78bbbc3d93eb43b8bbca752f770c869e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.778463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088438/publication.md
observed 871c4a6f88f125b02bb4c68a8d9cc866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.759761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088438/publication.txt
observed 501e5911167839de361359e4be8b2c33...
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.