OpenTechnical

OT-2026-000031012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000031012) never changes.

Identity and time

Publication numberOT-2026-000031012 · never reused
Internal UUID01a0ae74-3fb7-7729-a9fe-22062a6995df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031012
StatusPUBLIC

Content hashes

Canonical text6ee40ac799f0bcf799ec58107adb597d5570d28b371aca542773701bfa71fd26
Markdowndc61973b97c32224b58812c82865b12ab20688080e4882341afe1d75390fd088
PDF
Publication page8aef679f2e928bc301f2a69c675be32f0e43b6e3660ee8e619b68fde4d033203
Manifest32a0163e7015a32d49c3d08e1d7574711fea7fd9ebfb1ca46f453b298ff9c074

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
SignatureKmAAcPe8oYXzYTGnwODZUhN4/LMq3OVyZAV411q8kya1nzZe2Afh9fFL5EA9zgFx89D9ZuH2OEhRimc7GthCCw==
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

2026-09-17T11:40:06.120082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012
observed 8aef679f2e928bc301f2a69c675be32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.098859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/manifest.json
observed 32a0163e7015a32d49c3d08e1d757471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.079842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/publication.md
observed dc61973b97c32224b58812c82865b12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:06.060523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/publication.txt
observed 6ee40ac799f0bcf799ec58107adb597d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.204454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012
observed 8aef679f2e928bc301f2a69c675be32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.186364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/manifest.json
observed 32a0163e7015a32d49c3d08e1d757471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.168325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/publication.md
observed dc61973b97c32224b58812c82865b12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.149119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031012/publication.txt
observed 6ee40ac799f0bcf799ec58107adb597d...
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.