OpenTechnical

OT-2026-000068568

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000068568) never changes.

Identity and time

Publication numberOT-2026-000068568 · never reused
Internal UUID01a0ae90-2482-7086-a3ff-bfafe564efa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068568
StatusPUBLIC

Content hashes

Canonical text06b7ba6c3dfe8040216aa7aaf60edd12c23492219cdfb9827f767626bd7c9d4c
Markdownc098195a93dca03314548d566b774d91df29c2051161eff49602939afaf14947
PDF
Publication page7c8cd1bd490a95073bc5e77562a2bcc2b561786a6152cac24e12733e0b3e9183
Manifest66876b1d1b736e9d1a27430e6b1ad486114d67d8af9c39a4120baa28c497c5d5

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
Signaturei3+qkcByfO2vZTDln38HAgwh73Lq5WnmlB6kMA4llLE157VdA5+zbmIpX5Z5OFanA1rDxfNkjWrcBMbzFVzwCg==
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

2026-09-17T10:29:44.350155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068568
observed 7c8cd1bd490a95073bc5e77562a2bcc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.334081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068568/manifest.json
observed 66876b1d1b736e9d1a27430e6b1ad486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.315666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068568/publication.md
observed c098195a93dca03314548d566b774d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.298494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068568/publication.txt
observed 06b7ba6c3dfe8040216aa7aaf60edd12...
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.