OpenTechnical

OT-2026-000060136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off 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-2026-000060136) never changes.

Identity and time

Publication numberOT-2026-000060136 · never reused
Internal UUID01a0ae8a-5a71-709f-8696-7e530b6cea2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060136
StatusPUBLIC

Content hashes

Canonical text4ae4ce0d7dbed95c33557d9e1633e8e02827564c96d62a8f9767d960d85d1687
Markdownf91681448e8189ba4df3431289033bc14ccb2a6e7a2adec200612d657234628d
PDF
Publication pageb82a4777d15f42f2f2c37c2050b8d199eac6738eefb891a134ca34859e42d024
Manifestef2f5a5c73f175918e2f4b71068b07848a90bdf3c69a30955fb766f751e4c743

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
SignatureYeDPlZ6rGh+120PwnQ+2eRhn20PSnWLo0M6o+1SVTDLdfLRJlcl0Qhj3470JMHjo4+Ivj8ovuClz9xbBNG5kBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:47.467174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060136
observed b82a4777d15f42f2f2c37c2050b8d199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.449820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060136/manifest.json
observed ef2f5a5c73f175918e2f4b71068b0784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.431580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060136/publication.md
observed f91681448e8189ba4df3431289033bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.415407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060136/publication.txt
observed 4ae4ce0d7dbed95c33557d9e1633e8e0...
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.