OpenTechnical

OT-2026-000087037

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000087037) never changes.

Identity and time

Publication numberOT-2026-000087037 · never reused
Internal UUID01a0ae9a-9f2d-7122-9097-c8a0d684ade1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087037
StatusPUBLIC

Content hashes

Canonical text3bef611cc7d3262a589407abcc8d630a93232c688c8de75014a95ffdc3b44619
Markdown976bab6cc7e323446f5b7e54f91d2d0deec43742dee559d557ebf2da9d912ea9
PDF
Publication page80672adab0febd0435f800de3ec1b0772b7ef002fc41d3a027f1d0a89b9b2449
Manifest22acf8ca4fdded582508253c61cfe75b1ffb0a99769bc27aae54b1b8a455287c

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
Signaturerwh3ArrN2cUSaJKzQQyT1E0lP2Pp2MevOYQr8G1bM7YIydYEEyafgSqWnk32Gs2K+dPtr/VozjlNrZ2gj/PpBA==
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

2026-09-17T09:51:16.897813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087037
observed 80672adab0febd0435f800de3ec1b077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.881362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087037/manifest.json
observed 22acf8ca4fdded582508253c61cfe75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.864722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087037/publication.md
observed 976bab6cc7e323446f5b7e54f91d2d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.849039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087037/publication.txt
observed 3bef611cc7d3262a589407abcc8d630a...
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.