OpenTechnical

OT-2026-000049345

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000049345) never changes.

Identity and time

Publication numberOT-2026-000049345 · never reused
Internal UUID01a0ae81-1350-793d-9046-530b2d98e881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049345
StatusPUBLIC

Content hashes

Canonical textb88063b6ac14ce22f34ff23083db30bb69f9227b548f19ab49a1900596e15e40
Markdown66d9ae2639d8ff87588e9a042f75d302ffb8ba7257f315fdeb5ec2fce0ad77ce
PDF
Publication page3a70fb760a093e9dd8136e71c7762a85beef69367794e0f382a6d1d5c184155b
Manifest887b34e22de5f88f478d34b4362ef21b60142f9444635d2be3d988a6933cb9f7

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
Signature4QdrCSQQL67MV7AZxJzvXzdbGT13JqzIHdrLUehJ4nymqTtShRitgwfx0P2AV5R1Pgzh+U6UDtu6cqZp2cWeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:13.685513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049345
observed 3a70fb760a093e9dd8136e71c7762a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.664830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049345/manifest.json
observed 887b34e22de5f88f478d34b4362ef21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.644034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049345/publication.md
observed 66d9ae2639d8ff87588e9a042f75d302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.623761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049345/publication.txt
observed b88063b6ac14ce22f34ff23083db30bb...
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.