OpenTechnical

OT-2026-000082246

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000082246) never changes.

Identity and time

Publication numberOT-2026-000082246 · never reused
Internal UUID01a0ae97-4d94-7ef6-9efe-0ed770259ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082246
StatusPUBLIC

Content hashes

Canonical textc67791f93733925913edfdc641b031ed40d2994d4077b9b73d2a4a27b4cd6a95
Markdown1d6bd33ff8a9fa625c3a307b36aa179432dca6a96e0a0551c51c3e0d7c45d1a5
PDF
Publication page0ff9769983c31de5acb3d3284c46a57dc2ad3f95bc189be44b0f6ce9e733b475
Manifest6f2186f39dce880f5ba3ecdc882a77eea8628d19a0e465e9f87e076916b9e7da

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
SignatureadBhZz8he0tMPA2cu/eJZx9IJVQz4RLrbv8Wz3+UMAW2NUtmGUaWkdzBSHyYb0WFHWo7qvbAUlFBtQDms1LyDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:05.571451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082246
observed 0ff9769983c31de5acb3d3284c46a57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.553721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082246/manifest.json
observed 6f2186f39dce880f5ba3ecdc882a77ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.536289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082246/publication.md
observed 1d6bd33ff8a9fa625c3a307b36aa1794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:05.518773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082246/publication.txt
observed c67791f93733925913edfdc641b031ed...
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.