OpenTechnical

OT-2026-000014990

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014990) never changes.

Identity and time

Publication numberOT-2026-000014990 · never reused
Internal UUID01a0ae6d-d096-7116-a17d-f16a86964033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014990
StatusPUBLIC

Content hashes

Canonical text35e4f0469672fce0234d381eac70ee0c26deaa15b502a2e53095c70761b207d0
Markdown2cfd6761ab3cfbf4b7aab0eacde1e70e5c4709bbe2e8b50111ab2ce496d29cfb
PDF
Publication page3a394663de073a0de8b53c5e25adfb593442196aef838b71bbffc1d84cb021cc
Manifestb4a81a033258c4679b1f0a59dda2e72bc7baf94d040bc2d0667a595251f45e7a

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
Signature68/zkQoXPXTfgDHc+pI7OZX8O+uQlRG9JaIiUcK2KjgLEie6gf/PuZxS2ZNEilxEbgPjMo9NpScGVjxTrV4EBw==
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

2026-09-17T12:06:57.178659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014990
observed 3a394663de073a0de8b53c5e25adfb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.160245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014990/manifest.json
observed b4a81a033258c4679b1f0a59dda2e72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.140911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014990/publication.md
observed 2cfd6761ab3cfbf4b7aab0eacde1e70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.118150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014990/publication.txt
observed 35e4f0469672fce0234d381eac70ee0c...
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.