OpenTechnical

OT-2026-000051749

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000051749) never changes.

Identity and time

Publication numberOT-2026-000051749 · never reused
Internal UUID01a0ae83-7c83-7af9-94ae-16aee41f19e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051749
StatusPUBLIC

Content hashes

Canonical textb4f2fb0e481f3175bbfe7db69f06a76bd47be039b16580c02cc26184e5e9f1b2
Markdown3a82754935e0c6698fbc93ecc64e754089a77ce64a411e70d6a6774554ac2802
PDF
Publication page048c227594d36d07907de37d7e1396b49e48c7a36435860afed8025051390608
Manifest7d661ddcff55549d97babef13b93c6228e6412d8de3355dc9787137e96407645

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
Signature7wv2RCy+QRpwYPFhqt616MSLacvxrp/+N8GDO/XnW4UwusG1jlHS/GJUZeKDohdsMuIz3KBw1oJ/uqZgW9N8Aw==
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

2026-09-17T10:58:38.803797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051749
observed 048c227594d36d07907de37d7e1396b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.785569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051749/manifest.json
observed 7d661ddcff55549d97babef13b93c622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.767396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051749/publication.md
observed 3a82754935e0c6698fbc93ecc64e7540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.748116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051749/publication.txt
observed b4f2fb0e481f3175bbfe7db69f06a76b...
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.