OpenTechnical

OT-2026-000054869

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000054869) never changes.

Identity and time

Publication numberOT-2026-000054869 · never reused
Internal UUID01a0ae86-1285-78be-b2c3-4100e0f87a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054869
StatusPUBLIC

Content hashes

Canonical textcd1371e001ad3c3bdc7798107a40f4ace4e35b254b91c8e80125e1d7947bd743
Markdown826634176b06329607e61f5eda4789173451b1f58331141bb8e56342d59978f5
PDF
Publication page1b1b27dd38830db73b201ab596b715485c25ef29d98e569e4a40f20f267788e2
Manifest70515d7d965654b800c32d902661294f52c439786ba4fdab6dba688b78391da7

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
Signaturel7CU1t/KIEziamCm1Fp+uXg6+gD0RmJIfRHeblcDvE3Xs131Z9l0Cc8sCIfWW6SxjPgTjuyto27GcvbFNUvmCQ==
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

2026-09-17T10:54:05.541192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054869
observed 1b1b27dd38830db73b201ab596b71548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.522576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054869/manifest.json
observed 70515d7d965654b800c32d902661294f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.503966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054869/publication.md
observed 826634176b06329607e61f5eda478917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.487371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054869/publication.txt
observed cd1371e001ad3c3bdc7798107a40f4ac...
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.