OpenTechnical

OT-2026-000059160

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000059160) never changes.

Identity and time

Publication numberOT-2026-000059160 · never reused
Internal UUID01a0ae89-8612-7e96-ad52-1db7caff9a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059160
StatusPUBLIC

Content hashes

Canonical text8a35b3b781d89de03f26f95f44ef46fe081058cfbc64fdb0bd88faa075ea3af8
Markdowna0ab9e3a97558ab457ab7b7be44d5682851323119427214b2416c0195114eea0
PDF
Publication pagedd70be7cb9dde45750436761f3c3dc981716bb2546ccc82d87bb7273c69325ad
Manifestf1dc1990a2d5b509a4b6131083f6a61b87dfc3c3026dbcc433f8b7b56cff3e68

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
Signatureh2hbj2E67S808r3eJLuH/OZsCKFlA6WiJKjb4EnI9b1ysGK2C9K0NTZVFcleQNWlQo3MwalyaqoT9BW7bpthBQ==
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

2026-09-17T10:45:06.903744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059160
observed dd70be7cb9dde45750436761f3c3dc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.886992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059160/manifest.json
observed f1dc1990a2d5b509a4b6131083f6a61b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.869333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059160/publication.md
observed a0ab9e3a97558ab457ab7b7be44d5682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.852000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059160/publication.txt
observed 8a35b3b781d89de03f26f95f44ef46fe...
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.