OpenTechnical

OT-2026-000088652

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000088652) never changes.

Identity and time

Publication numberOT-2026-000088652 · never reused
Internal UUID01a0ae9b-8f0f-7f6c-a9ab-7a79bee97d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088652
StatusPUBLIC

Content hashes

Canonical text9d2d75ebeb249ba7d4fdec330339239ecf8100046890f499bec6b97605234f16
Markdown4d03a2f2b76db950bcb5fc061621a7daade4970f99adf492552db3d9839e1453
PDF
Publication page30ddabee8d00612b99c57dc4b00936ddc92372b30fe3d1f5baf297f6bf578106
Manifest48054ed09d484fcad3e34c5e5a0385a912e6800cf29f2f86a84bdd448af44ecf

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
Signature3Bj8lQDXmvPxP9tLEwwD9+aSCZsfRIaQy5tB4bG90PSGHE8Q5I97HRwVRVzXaoJCO3JnmtVbjeT6NkCbAWhIBQ==
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

2026-09-17T09:47:52.528170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088652
observed 30ddabee8d00612b99c57dc4b00936dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.509985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088652/manifest.json
observed 48054ed09d484fcad3e34c5e5a0385a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.492077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088652/publication.md
observed 4d03a2f2b76db950bcb5fc061621a7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.475312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088652/publication.txt
observed 9d2d75ebeb249ba7d4fdec330339239e...
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.