OpenTechnical

OT-2026-000068847

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000068847) never changes.

Identity and time

Publication numberOT-2026-000068847 · never reused
Internal UUID01a0ae90-6dcc-7f72-a247-2d1ce2d252de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068847
StatusPUBLIC

Content hashes

Canonical textce66bde673ccc756e1781171622b9d634d528516e7763ef46e92ec88d4fc48d5
Markdown94c3d3ecb034d87d4541f39075cd196f4d7e947c6a2bb04f103afcf9ac22e742
PDF
Publication page80e4941a8ebb318ea0aadfd1b800f146e21c4b193c5d9c2679354482f459d4ae
Manifestc643e66106a346da4fb53116d9fd1428dd4cfb2c83417555410cfdb5741c5406

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
SignatureYsJ4KcZZg2/Jr8uhaD5PTV/PCGTq+QPXAOnW+40AFnFcxB5jGDdUYblR7tlxhaX9thJzWBgU+N0vxciEAoW7Bw==
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

2026-09-17T10:28:39.490028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068847
observed 80e4941a8ebb318ea0aadfd1b800f146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.473699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068847/manifest.json
observed c643e66106a346da4fb53116d9fd1428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.457743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068847/publication.md
observed 94c3d3ecb034d87d4541f39075cd196f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.439428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068847/publication.txt
observed ce66bde673ccc756e1781171622b9d63...
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.