OpenTechnical

OT-2026-000050949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000050949) never changes.

Identity and time

Publication numberOT-2026-000050949 · never reused
Internal UUID01a0ae82-c7b4-7899-9ed3-f34fb487e8e8 · 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-2026-000050949
StatusPUBLIC

Content hashes

Canonical text410eeedd0d1cebccbb2af5eb6d092f18c648faa1608581f5cf7f9026cf396a1a
Markdownbaaa19ef25706b30d7c1d724c38b6ca43e0fa4d8c0accfe27d43020fdfc53a4b
PDF
Publication pagec10be1020a0976e416b3fe07dce7c2078e31e895e6742181d6d66c0b11babb68
Manifest0718ffd9f787b8102b14cdd634f85e5becc2a6ff15dab4c8ed316d54628ed47c

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
SignatureKcsXaiQAMqSvc0+v3kSHcoMuLI0KtEDxhWoSt5YFBbLY/vOfnEgpdQF5Httq/161DJ7/yU42AUGuGfJ1eAD0BA==
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

2026-09-17T11:00:43.169508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949
observed c10be1020a0976e416b3fe07dce7c207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.168013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949
observed c10be1020a0976e416b3fe07dce7c207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.150580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/manifest.json
observed 0718ffd9f787b8102b14cdd634f85e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.147418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/manifest.json
observed 0718ffd9f787b8102b14cdd634f85e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.132311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/publication.md
observed baaa19ef25706b30d7c1d724c38b6ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.129790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/publication.md
observed baaa19ef25706b30d7c1d724c38b6ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.105840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/publication.txt
observed 410eeedd0d1cebccbb2af5eb6d092f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.105293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050949/publication.txt
observed 410eeedd0d1cebccbb2af5eb6d092f18...
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.