OpenTechnical

OT-2026-000027268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000027268) never changes.

Identity and time

Publication numberOT-2026-000027268 · never reused
Internal UUID01a0ae72-6996-71b3-9b2c-186ecd44ff2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027268
StatusPUBLIC

Content hashes

Canonical text34735b99a3bf9b312760ef70cf266d0c60af1e17eb6ea2d06de43d40c0bcb08c
Markdownddd1e2cf97b271386c060823cca10ddc1063f80ef5e41d9a62013ee6cd0cda23
PDF
Publication paged99f913d5d21a004f43abfe5b2166ee3f1eec3614febdee79dbfb073f414659c
Manifest7a6cf0ff0d1eac05daea86c19e1886c69f41ebb6bd531a621a4035e0d7566229

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
SignatureCaQa6F+LXpwTqAoXJ7xVQq1vm7fJspdgTH8Lg4ahe8jOBjGM5fw43XmvOOLY+3mjL6LHcbCQiv8/oShGZtpNCg==
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

2026-09-17T11:42:39.050897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027268
observed d99f913d5d21a004f43abfe5b2166ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.031708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027268/manifest.json
observed 7a6cf0ff0d1eac05daea86c19e1886c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.007965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027268/publication.md
observed ddd1e2cf97b271386c060823cca10ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.990794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027268/publication.txt
observed 34735b99a3bf9b312760ef70cf266d0c...
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.