OpenTechnical

OT-2026-000031512

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000031512) never changes.

Identity and time

Publication numberOT-2026-000031512 · never reused
Internal UUID01a0ae74-87ae-7119-ae60-dd72c59a5fd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031512
StatusPUBLIC

Content hashes

Canonical texta48bb1e2cb2e31d9bb705792d5f01486d84ccc1070b7e06cb108d9d0dabbcfe8
Markdownc6b1d9fc1f12b9423a5b0d6133a2daed72f22390a6bd3328dee9b20e28309a1e
PDF
Publication page612188f0695957a745360b8da4044a5a707dc5be821d0a1b34bbb2ef725266b5
Manifesta2ea5d7a4423e8a3da020a31e6317f5d49957dc1b42485952e04faaa2777d05c

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
SignaturemijyJhy6p4lKM/wZYVElvRFedkuEb/GzEWvJBh+cts9DTKqLBVKSK5LZ9t0UK1/v+LqymvA334eV/cfMkD96BA==
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

2026-09-17T11:36:20.755694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031512
observed 612188f0695957a745360b8da4044a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.738718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031512/manifest.json
observed a2ea5d7a4423e8a3da020a31e6317f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.719542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031512/publication.md
observed c6b1d9fc1f12b9423a5b0d6133a2daed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.699769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031512/publication.txt
observed a48bb1e2cb2e31d9bb705792d5f01486...
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.