OpenTechnical

OT-2026-000026427

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000026427) never changes.

Identity and time

Publication numberOT-2026-000026427 · never reused
Internal UUID01a0ae71-f4a7-7c71-8992-0cd5799ee20a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026427
StatusPUBLIC

Content hashes

Canonical text01062c2b9088779d565fbb02e3df8b0be71d0e4a8ffd8f1637a6ad7f78794390
Markdownf9ed2170ac3c1525530bb2420b38327bca1c41fc8e14e45abb84b27f0130fd79
PDF
Publication page4a98ed90b1c3d94b0e13a3bdb9801b980aa9fe549679b1c3042f3585a50280a4
Manifest1242d1de8e18dea7080c72c80ffe96c93717935ae2d3492e93743b2dee3da33e

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
Signaturep0GgAtZnWQ+pwikIsHrptPajDoDsquqokrQop3jBp4DH3H5hTo1JnuNdKMljid39wGyeGwjEBuQC/S+d+LqLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:25.205878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026427
observed 4a98ed90b1c3d94b0e13a3bdb9801b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.190751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026427/manifest.json
observed 1242d1de8e18dea7080c72c80ffe96c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.174669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026427/publication.md
observed f9ed2170ac3c1525530bb2420b38327b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.159040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026427/publication.txt
observed 01062c2b9088779d565fbb02e3df8b0b...
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.