OpenTechnical

OT-2026-000044685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044685) never changes.

Identity and time

Publication numberOT-2026-000044685 · never reused
Internal UUID01a0ae7c-39da-7a21-bb90-1a17449d8e71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044685
StatusPUBLIC

Content hashes

Canonical text3b81504c7988b85dab710747a2874ece149fbbea663eb3d52ffa6b476f8dad8a
Markdownf924a08f5eccb64fe5fea5725b2a17fc1f8bcfec8e9766125c8dfe3a318d4858
PDF
Publication page9b362cb847f34394f8f27dfa31d7a35143d3bd06bbd8825c595a9c062fefa0cf
Manifestd225b33cf537d430e76e901a256c41395c0ecb74a5d602e22f4af5728add9855

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
Signatureve+V/EnIkBlm0sRVh1B7tszFmwDrClkw6X/kZdEHV0nv47+EXXMKYNV5edzU3lkXjRQIAV+3gv4kT7BzD9xUAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:56.411209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044685
observed 9b362cb847f34394f8f27dfa31d7a351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.392361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044685/manifest.json
observed d225b33cf537d430e76e901a256c4139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.373889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044685/publication.md
observed f924a08f5eccb64fe5fea5725b2a17fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.355547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044685/publication.txt
observed 3b81504c7988b85dab710747a2874ece...
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.