OpenTechnical

OT-2026-000042875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042875) never changes.

Identity and time

Publication numberOT-2026-000042875 · never reused
Internal UUID01a0ae7a-c0d1-7504-9bbe-301dadde7e2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042875
StatusPUBLIC

Content hashes

Canonical textdffaecbaa87628e2296b5d944a6755edc7f39b45a720abb838291f40f13ae9f9
Markdown1ad429ffd734f695a2a2b5d0157f371ccea06b67a3eee861c78e820acef3d7f0
PDF
Publication page53ff367d1bf594f11d0fe49a6b0602f5f1b5f9cc1e4cf86b3dd0d919e22f23b1
Manifestee85311a55eadbd2b227e2cfd43204cae788c53e02ab36d95fce628edbafb31a

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
Signature3EpGw5IzQ4dBXoMvnEngfQdfnxinJ1gy0O+7+wMwFm6EzzjFbw848XgmBwzNnK1sd3+pVeqGSHA+6hOYlqccDg==
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

2026-09-17T11:15:22.370051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042875
observed 53ff367d1bf594f11d0fe49a6b0602f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.352378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042875/manifest.json
observed ee85311a55eadbd2b227e2cfd43204ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.333572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042875/publication.md
observed 1ad429ffd734f695a2a2b5d0157f371c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.313525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042875/publication.txt
observed dffaecbaa87628e2296b5d944a6755ed...
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.