OpenTechnical

OT-2026-000078397

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078397) never changes.

Identity and time

Publication numberOT-2026-000078397 · never reused
Internal UUID01a0ae95-7c28-70cf-a27f-352da80e6101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078397
StatusPUBLIC

Content hashes

Canonical textda3e90ce273813f74758591ea242275a03ec0bfa7c6adb865f8ecc778b7e9f38
Markdown7f68bb3001778c6dd60b9ffad688bd2f38c71fd0ff782497a8b90b48bef3d5a0
PDF
Publication page411b5ce0bb545f9868acad1dc19c662a598f13c9a9126525a776b8e13336d198
Manifest0d7b11effbb41f52adc21995dd34bcbd58b743319d6eca1aeb6e86714d7790c2

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
Signatureo4qTI2zQrWFY+yzKzNcWW6tO59ynxkGLS1BL+VqyYhi1DpQrBniKsleqqcoaJgicB0QZ1/VWsHnD4Amm65IsDg==
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

2026-09-17T10:06:22.255482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078397
observed 411b5ce0bb545f9868acad1dc19c662a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.234833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078397/manifest.json
observed 0d7b11effbb41f52adc21995dd34bcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.216183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078397/publication.md
observed 7f68bb3001778c6dd60b9ffad688bd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:22.195509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078397/publication.txt
observed da3e90ce273813f74758591ea242275a...
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.