OpenTechnical

OT-2026-000079042

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000079042) never changes.

Identity and time

Publication numberOT-2026-000079042 · never reused
Internal UUID01a0ae95-ccbf-73e0-8f76-444faec405a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079042
StatusPUBLIC

Content hashes

Canonical textb773c45e28355bc6fab668bb4ad75645dc921c704c02f88ffccaf88acf969de7
Markdown29421386d938b768181a1887d481ef49524f16f9239e8f3b5f7e0769ff70d7bd
PDF
Publication page6465cf9a90aa973dc14a13d5071e05cd243e33a2574181527702572f0923ccdd
Manifestbd97e92ff976db139335ca7fc6f9db8940c15f340f755cc8535de92fb3f911d9

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
SignatureCQt/H6/n6PVgnzfBfoygO61driHqEhHs39TenQBMlNL0mStdRK0QtsdFm25yP1OCTKwsSZI5eMk4WRofGnVDDA==
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

2026-09-17T10:05:52.895323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079042
observed 6465cf9a90aa973dc14a13d5071e05cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.876803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079042/manifest.json
observed bd97e92ff976db139335ca7fc6f9db89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.856869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079042/publication.md
observed 29421386d938b768181a1887d481ef49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.834906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079042/publication.txt
observed b773c45e28355bc6fab668bb4ad75645...
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.