OpenTechnical

OT-2026-000050818

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000050818) never changes.

Identity and time

Publication numberOT-2026-000050818 · never reused
Internal UUID01a0ae82-c7b2-7aab-bf20-1f074c4b636c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050818
StatusPUBLIC

Content hashes

Canonical textebb583fb63435448c07ddf5bfd55c926b6cb877b29dcec548e50636b74a7a069
Markdown7a5ae78d0f7ab9f10533ddd3dab34a8aa89c4097f0540a28321a81d6e1d09284
PDF
Publication page32b781fcfa5e974582f6258b55261a78bf2591f0ed94756ef4a453fd2965ad81
Manifest9c740dc2a82115f50301d9a2f53d2861db8b3ec06af251dacc0e8b4e68837691

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
SignatureAivYKkQWDnq7yqphiR3+Asg1r6x4cvuYRt6RwV6ex/FddRasl1Squi8OIV2HyB8qSv6q2i51tzAh2M7g/fOuCg==
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

2026-09-17T11:00:22.017401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818
observed 32b781fcfa5e974582f6258b55261a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.993165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/manifest.json
observed 9c740dc2a82115f50301d9a2f53d2861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.967043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/publication.md
observed 7a5ae78d0f7ab9f10533ddd3dab34a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.946001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/publication.txt
observed ebb583fb63435448c07ddf5bfd55c926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.934172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818
observed 32b781fcfa5e974582f6258b55261a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.911679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/manifest.json
observed 9c740dc2a82115f50301d9a2f53d2861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.891402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/publication.md
observed 7a5ae78d0f7ab9f10533ddd3dab34a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.860876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050818/publication.txt
observed ebb583fb63435448c07ddf5bfd55c926...
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.