OpenTechnical

OT-2026-000057396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000057396) never changes.

Identity and time

Publication numberOT-2026-000057396 · never reused
Internal UUID01a0ae87-d5be-76c6-b165-35ee0c45c537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057396
StatusPUBLIC

Content hashes

Canonical text27c62c2cf22b9003815a2d3baf165cba4fb0bf70bb1e915ab6433fb54141fde1
Markdowndf8c0d5928ef37d717323f84703979503c06be909c1b9c5ece32e3996c2664db
PDF
Publication page60fa8f51fef31a07c3b2c2bf2202bee6160627832adca5e824c4bad88e4bc9ed
Manifestf0b16461c4a013e6b63cc6f742187c1b4a4043752ab28e94334748848ede6301

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
Signaturej9K1bSVv8F4w1mSDhROIlQct6DOwOT44+1UtB5NjppioizsaQ+L7xUz4gRr00ll1tkw+QXq4O67oxr7WHV9gAw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:40.902990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057396
observed 60fa8f51fef31a07c3b2c2bf2202bee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.884849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057396/manifest.json
observed f0b16461c4a013e6b63cc6f742187c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.868417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057396/publication.md
observed df8c0d5928ef37d717323f8470397950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.851067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057396/publication.txt
observed 27c62c2cf22b9003815a2d3baf165cba...
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.