OpenTechnical

OT-2026-000008207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000008207) never changes.

Identity and time

Publication numberOT-2026-000008207 · never reused
Internal UUID01a0ae6a-908c-7974-97b8-5c2dad92d9c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008207
StatusPUBLIC

Content hashes

Canonical text36bd228c6dd4deafc967d01f8e13afd183bbe1d08e4241df8f002e4ae35cd98b
Markdownbd2575c007b6f24e89293b4f28d881f23e1cba491938f98e8f0d2b2944c53116
PDF
Publication page1f89ce9ebcb92ff1ac47ca502789c3cc3ff66a0cc99875ac8812b3ba94c32079
Manifest99544912e997eea714887c91481fa650a77500a352abeb8a4a0684c1566d9352

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
SignatureaDdAJhz4ccAV0j507uklklJXzeVMTUwraC+4H0YV1MNi/m7YzjKxz2mqgndOByULRIkUNAaiKr+DbL9/K2VbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.944734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008207
observed 1f89ce9ebcb92ff1ac47ca502789c3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.927211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008207/manifest.json
observed 99544912e997eea714887c91481fa650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.909121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008207/publication.md
observed bd2575c007b6f24e89293b4f28d881f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.892748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008207/publication.txt
observed 36bd228c6dd4deafc967d01f8e13afd1...
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.