OpenTechnical

OT-2026-000045277

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000045277) never changes.

Identity and time

Publication numberOT-2026-000045277 · never reused
Internal UUID01a0ae7c-f76a-7edd-babc-ba6d3a8d6616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045277
StatusPUBLIC

Content hashes

Canonical text05c7ce864988147d57862de9fed774a0f55a521c15cdb3e357641246e49a2c74
Markdownc82038cd94c074ef250663f73141b331dfbb161634830227fbd4b59d8577435c
PDF
Publication pagecac6493024c6746c6fb7b99c07e5b9f2091bacf730c807e0c83cdf3bed0c6bc6
Manifest84619ff94c817f110ca98a2f0ae73a96690fb659e116b60644acf0b7c519f30b

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
Signaturem65n2nfh/7wpJG9mV+HNHg8S5GrDS+Je6eyPHKzUJGV4bR4jt4cI43dnyhByHr+pFKzNJVxe6FuQhOln/SmHCA==
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

2026-09-17T11:10:29.427162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045277
observed cac6493024c6746c6fb7b99c07e5b9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.406322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045277/manifest.json
observed 84619ff94c817f110ca98a2f0ae73a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.388209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045277/publication.md
observed c82038cd94c074ef250663f73141b331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.366893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045277/publication.txt
observed 05c7ce864988147d57862de9fed774a0...
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.