OpenTechnical

OT-2026-000060852

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000060852) never changes.

Identity and time

Publication numberOT-2026-000060852 · never reused
Internal UUID01a0ae8a-b7d1-740b-afd1-387bd93380a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060852
StatusPUBLIC

Content hashes

Canonical textdc7bb25ffed1f6f1fc94f6a3ab571c0bace30742a738413898981853c7063903
Markdowndc3167363ef3cf3f3c4654c23bb53ceb9ac40aff15c76ad02c63be42b72775f9
PDF
Publication page57eefc55b14364adeb9ba29748181b11845beb8b418aca80b55e0e0e9ea2ff2b
Manifesteffdf0e2d02b7569ad0b8c2d05df34bbe4eceeef25e62e9af16fa2d3b409ad3b

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
SignatureUKAwBvZMHOapO4UxybnEcZIUYjsjLLHuC5yaVoDB/xLmGNQAm5Yd6nyplR+yu/TL54O7sxoIDqNIpydmyCDIBQ==
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

2026-09-17T10:43:36.604770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060852
observed 57eefc55b14364adeb9ba29748181b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.587678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060852/manifest.json
observed effdf0e2d02b7569ad0b8c2d05df34bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.572078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060852/publication.md
observed dc3167363ef3cf3f3c4654c23bb53ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.554892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060852/publication.txt
observed dc7bb25ffed1f6f1fc94f6a3ab571c0b...
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.