OpenTechnical

OT-2026-000026074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000026074) never changes.

Identity and time

Publication numberOT-2026-000026074 · never reused
Internal UUID01a0ae71-a840-72c6-9c16-4dd782bee765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026074
StatusPUBLIC

Content hashes

Canonical text1422c501fb07c41b239d27e847447c9389409fc7459bc17d84fc9ba27b10f7d2
Markdown9ab59d19067903e35120c430f21676bf62395322c096b03038226c28bb88a45b
PDF
Publication page29deefe666b25911b4a24ff7276bc015f4e3aa2c499d725a29f24067b1eb3c4b
Manifest20616949a04fdd32513bb3a261e50f2dba7cc01967fceaf9730a98fa6c46fd22

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
SignatureopEPu+ViAVkSR+5SuCCEopKg+gnbxJ8vb5RS8ONOR+C7qRw4+iN74qesGeEhSA24WqLF7MtujQ6gonkSFwHYDg==
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

2026-09-17T11:46:34.285031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026074
observed 29deefe666b25911b4a24ff7276bc015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.266265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026074/manifest.json
observed 20616949a04fdd32513bb3a261e50f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.229275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026074/publication.md
observed 9ab59d19067903e35120c430f21676bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.210008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026074/publication.txt
observed 1422c501fb07c41b239d27e847447c93...
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.