OpenTechnical

OT-2026-000070314

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000070314) never changes.

Identity and time

Publication numberOT-2026-000070314 · never reused
Internal UUID01a0ae91-545e-76b3-a118-87447f9e032a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070314
StatusPUBLIC

Content hashes

Canonical textac00b01d4a467c5bda0712f581c7bf3fb7c779f49eee220072dec22d6877ffd0
Markdown918e7cad2baa5b00d094cb160ba59c10f2517192168e3ced4548abe6c55f6ed0
PDF
Publication page4cd72beb0082ea675491a9c4b2b39b9da696df223534307a229c45547a2aa03d
Manifest1bd0d7fa6ea7aabe0c6c9c1dc2ed3ac3f962a95510174c6c3e6782525dc4f648

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
SignatureVOcsVBjZkiWeUMIIQnlOdtf932hGGoOuP+WHf/8wX3Ix2RIJ4EEZTfiMmhdiKOMckU2h4CM3G7VKs9Rrtz2mCA==
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

2026-09-17T10:26:06.211080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070314
observed 4cd72beb0082ea675491a9c4b2b39b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.194613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070314/manifest.json
observed 1bd0d7fa6ea7aabe0c6c9c1dc2ed3ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.175833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070314/publication.md
observed 918e7cad2baa5b00d094cb160ba59c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.160145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070314/publication.txt
observed ac00b01d4a467c5bda0712f581c7bf3f...
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.