OpenTechnical

OT-2026-000052237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052237) never changes.

Identity and time

Publication numberOT-2026-000052237 · never reused
Internal UUID01a0ae83-e790-7d42-9d5d-ced1886632a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052237
StatusPUBLIC

Content hashes

Canonical text64a703c8d0a5e6957ce059f39fcfa5898a08db5a522d60598e08d6ea0d42edbf
Markdownb7f71259054b2029e78258d38246a457540f3b4c8c7376f74c4949ef255165f4
PDF
Publication page3bf083210e1d35bfd6279cbaf744ce189f4891d4b267326486a7bc45b87cc428
Manifestd1dfcece022450704f6bc0a4b55d3f877e674573fb67637e0a2e1222b773821a

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
SignatureCgjclIlfnbDlSd6cVKEQsrhR6c6/AiDvXM8PxVxA4QOI/kbVwdNmDU+wq3VB9DfvOA5gaW726hFr3pud16vYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:48.822023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052237
observed 3bf083210e1d35bfd6279cbaf744ce18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.803998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052237/manifest.json
observed d1dfcece022450704f6bc0a4b55d3f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.786306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052237/publication.md
observed b7f71259054b2029e78258d38246a457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.767602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052237/publication.txt
observed 64a703c8d0a5e6957ce059f39fcfa589...
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.