OpenTechnical

OT-2026-000102068

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000102068) never changes.

Identity and time

Publication numberOT-2026-000102068 · never reused
Internal UUID01a0aea4-50f2-77f2-8ed1-cdb4d0f44eca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102068
StatusPUBLIC

Content hashes

Canonical text5404940db42aaaeefefa5cd8e9d816c7d9b9c40ac290bdc2cd09db22a10d27ac
Markdown11f3dc30795aeea52fe7ee56d09d8b48d1f3a395a0544ee417f23b52098880c2
PDF
Publication page12da562939e1de1088a3333722e4025231a0d4f99ec3fc07bc01c4c588fd0b55
Manifesta5e8c04076798f6500017950cc65816369e226b2e65569a4267a7bfb69bcc80c

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
SignatureCmnruTFey0vDtACDV7zTXrV3qv+mIvpJt+SigYTk0+NwY30oVCOIyPX5sVs2G93UPXvsoYGD3/mCD4XONW3NBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:12.730371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102068
observed 12da562939e1de1088a3333722e40252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.712117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102068/manifest.json
observed a5e8c04076798f6500017950cc658163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.694274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102068/publication.md
observed 11f3dc30795aeea52fe7ee56d09d8b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.678191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102068/publication.txt
observed 5404940db42aaaeefefa5cd8e9d816c7...
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.