OpenTechnical

OT-2026-000056633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000056633) never changes.

Identity and time

Publication numberOT-2026-000056633 · never reused
Internal UUID01a0ae87-7af5-7777-844f-606d2169e978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056633
StatusPUBLIC

Content hashes

Canonical text38430c94117bc21e57f79eeeae563ec92a6399f0bb7d37a45e2ea3e3099e73c3
Markdownb408cdbad70a212787c9b3fd960fa03fbf4dbd1f5a1be389ec52ad4fe5fe8c0a
PDF
Publication paged9ea30001b468b21c77ee2f43c070d4f5bca81013df7acedcc0ca6b4a7495bed
Manifested5aa098184817c24e5065e1965b3c1f2bc2a913db671f324154d2c52400b5aa

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
SignaturemBHXUBO/okrW9S8xf3r7WXSjocNYYxMKqKjVeZ/r8gcaMJ+zfLN8Xhl92piGDUwf/OOsd27gxPdahYKDEpBZBg==
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

2026-09-17T10:49:59.522067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056633
observed d9ea30001b468b21c77ee2f43c070d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.505928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056633/manifest.json
observed ed5aa098184817c24e5065e1965b3c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.489343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056633/publication.md
observed b408cdbad70a212787c9b3fd960fa03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.473152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056633/publication.txt
observed 38430c94117bc21e57f79eeeae563ec9...
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.