OpenTechnical

OT-2026-000049147

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049147) never changes.

Identity and time

Publication numberOT-2026-000049147 · never reused
Internal UUID01a0ae81-134e-7a80-9dce-cc02c29c3b79 · 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-2026-000049147
StatusPUBLIC

Content hashes

Canonical text08ce8eb9412d28e45e3a935af5841b08dcb875e9dc20c8f2794f99d34ace5117
Markdown4f441652f1900cb9069e002e7bf82d90241967ea0b734841c3776f4eee4cc436
PDF
Publication page24d8dcc4f3a784b323d6754a0ffa25b3bc247ae253b2e351cda8a7e430e0470c
Manifestf4e96d8632bb42cdc730e0f61b41a7ddf145f2a1318e93fafe021e0b3e89d3d3

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
Signature2ou4NZ3CTUWl88/6bUw6uSDlNSkTD0Dbjk8hxLY14t40Q/yvATogGeYHbpAdHkgEq6H53OdeevYpmHgPx76KBg==
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

2026-09-17T11:03:25.243239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049147
observed 24d8dcc4f3a784b323d6754a0ffa25b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.225320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049147/manifest.json
observed f4e96d8632bb42cdc730e0f61b41a7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.207657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049147/publication.md
observed 4f441652f1900cb9069e002e7bf82d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.189102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049147/publication.txt
observed 08ce8eb9412d28e45e3a935af5841b08...
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.