OpenTechnical

OT-2026-000074101

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000074101) never changes.

Identity and time

Publication numberOT-2026-000074101 · never reused
Internal UUID01a0ae93-2b8f-7f5a-aeee-daf944c0e2e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074101
StatusPUBLIC

Content hashes

Canonical textb011c947905377c4b40ec26ecbee1fdea111ef25a8ff4a72519df6e914dfae2a
Markdown49fd32aa8f4fd175f7640b3e324b45553ab57f5fa1971cd92470fac99018d33c
PDF
Publication pagee7bb9d0f689f4b738fc95b3a5d548d620c27f0f54a1d8487521c47952bc751e7
Manifestcb1e24a5bf10a23b62aa1ed6398d270554b71e3cb74d32a46ab3822b65492bb2

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
SignaturegMlXY6nq2+ciMgkv/J9onr38BbftQgoKpGUO4pcPkhYRS72oZpjbPKO5c+/SgrEpnhjnxt7kN/p4PQw8OJGHBw==
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

2026-09-17T10:21:00.667183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074101
observed e7bb9d0f689f4b738fc95b3a5d548d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.648985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074101/manifest.json
observed cb1e24a5bf10a23b62aa1ed6398d2705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.629020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074101/publication.md
observed 49fd32aa8f4fd175f7640b3e324b4555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.610067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074101/publication.txt
observed b011c947905377c4b40ec26ecbee1fde...
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.