OpenTechnical

OT-2026-000011759

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000011759) never changes.

Identity and time

Publication numberOT-2026-000011759 · never reused
Internal UUID01a0ae6d-1941-74a6-8d50-970b59bd17b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011759
StatusPUBLIC

Content hashes

Canonical text26ffc67c4f5dd2e2289d4ed0499e2f0884a41c84c8c5bc507ccf63cf3f3c0109
Markdowna3a931a29d737aa4f800cbfc013519ee585ac9ebba0cff459839c1ae3c3e72a4
PDF
Publication page38304a10291d7ff22d73e7c99573f6172754165652bc2f3524123d5c23f63afb
Manifestee0a1c9fb070daedac87895911b492e511b8d3c6e0c12635ec562b759f0307b0

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
SignatureWAWMiiWqr2awMKIbRuk5Fnrcr3ItIYEcs4L2VQo7w2GpLB/dHgw3yvB9rFOi+1Ir16b9ngR3IDaDrIJvPnBXAg==
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

2026-09-17T12:12:28.168299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011759
observed 38304a10291d7ff22d73e7c99573f617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.150870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011759/manifest.json
observed ee0a1c9fb070daedac87895911b492e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.131150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011759/publication.md
observed a3a931a29d737aa4f800cbfc013519ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.112575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011759/publication.txt
observed 26ffc67c4f5dd2e2289d4ed0499e2f08...
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.