OpenTechnical

OT-2026-000088518

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000088518) never changes.

Identity and time

Publication numberOT-2026-000088518 · never reused
Internal UUID01a0ae9b-5d28-7374-9622-574ca0ea0fb7 · 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-2026-000088518
StatusPUBLIC

Content hashes

Canonical text576d4289b7e7936ca0476355a96d30731cbd6aae2897daa04e4bd9ad51cb5e95
Markdowndddd5a4022cc23b38d8b9a9a82917ef85db6a071dbf8a6a9d9ad7a73886db991
PDF
Publication paged7b65e329e58d507016445f3dcbe7b98b313ccd3e707fd04ff1841730e06cd9d
Manifest1bdcf3acfc9f76cda00382dff98c2178453056f5c71c50e6cce991c6b8e8259c

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
SignatureCeNmhIj0LEgBHf2/QAT23RW+wTQZHBQaE89Dk4LhtQcrSy3uNaQP3qYTYKANA/ARfeePgps0S0Myrxl6i1C3DA==
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

2026-09-17T09:48:54.852761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088518
observed d7b65e329e58d507016445f3dcbe7b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.833398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088518/manifest.json
observed 1bdcf3acfc9f76cda00382dff98c2178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.815055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088518/publication.md
observed dddd5a4022cc23b38d8b9a9a82917ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.796596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088518/publication.txt
observed 576d4289b7e7936ca0476355a96d3073...
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.