OpenTechnical

OT-2026-000078403

Publication integrity record

Foam pad 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-2026-000078403) never changes.

Identity and time

Publication numberOT-2026-000078403 · never reused
Internal UUID01a0ae95-7c28-794f-87cb-772f8d1cbccf · 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-2026-000078403
StatusPUBLIC

Content hashes

Canonical textaa64ff2a5adc5b7a297cb6873f7dbc66ff76fb723822bc22cdb3a9e4e23dc696
Markdown498887aa8c5969e318f7f6b274a251a9388e3054e3416d6361abe8529907ed2b
PDF
Publication pagea17316b5a579e6e57a93d82b44f790fc7eebb93917abd83e612642792393bfaa
Manifest04275a34e4e8e37ba47d91ba55b781771403c40bd33570a73a84bfeebee13c2e

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
Signature7I2n258bIW1vzNlS1inraFsX6YcfRdgI9/0oBMnLCDP53m+sVJAkn346xISHrHeJDEY7H46nRNMcTfcbcfGiBw==
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

2026-09-17T10:06:23.665902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078403
observed a17316b5a579e6e57a93d82b44f790fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.646333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078403/manifest.json
observed 04275a34e4e8e37ba47d91ba55b78177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.626076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078403/publication.md
observed 498887aa8c5969e318f7f6b274a251a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.603999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078403/publication.txt
observed aa64ff2a5adc5b7a297cb6873f7dbc66...
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.