OpenTechnical

OT-2026-000032969

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000032969) never changes.

Identity and time

Publication numberOT-2026-000032969 · never reused
Internal UUID01a0ae75-4843-790c-9761-43b4f85384e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032969
StatusPUBLIC

Content hashes

Canonical textf630557aa0d86a8ba2daeb5ac2a5e28acb69b126b952764b95f374ceb0a8e16c
Markdown53f1ab851a59ba9b0cab87f73e04015018a5e1dc5cb6e21a54b33595ee285f34
PDF
Publication pagecb0b36cd24ce91df11d6913ad29fa349d99d3495a30e0faef58422da465a9067
Manifest41897a4e200337229f720caef89da959792f13f1029063554b2cba463af80409

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
Signature+sPpVaC4HoV2Li0+UhL6vKAK0vDev9JnSEhJXdEA5i3t1ww4NPJtPgm4VVwfmcteyqYpaGIlmHCMXQDo5NrpCA==
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

2026-09-17T11:32:34.660716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032969
observed cb0b36cd24ce91df11d6913ad29fa349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.641844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032969/manifest.json
observed 41897a4e200337229f720caef89da959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.622747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032969/publication.md
observed 53f1ab851a59ba9b0cab87f73e040150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.603636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032969/publication.txt
observed f630557aa0d86a8ba2daeb5ac2a5e28a...
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.