OpenTechnical

OT-2026-000012248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012248) never changes.

Identity and time

Publication numberOT-2026-000012248 · never reused
Internal UUID01a0ae6d-39f5-7843-a29c-8ef00c25cbc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012248
StatusPUBLIC

Content hashes

Canonical textbe7436448a94b484ef09d132372fab7ece5cf39a129f6c99039857a4af4eed0a
Markdown4ec8257a2b0e02576937f721975b3be3bb5d52311bdd9810497626cde14a3c9e
PDF
Publication pageb9e02fcfee0956c7b4949d04251f98beca3132faaf5239011555269e593baac8
Manifest3a70ad5bf854730b88533c440087ab7da87d7c6ae24e3cc39d41ffad82daff48

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
SignaturebKkyjZecrq3++HtQpTDhjnhUhUVv22plD9q9P/XyHRiWwOhLtCkwmM36jV65AMu+BkvNtl8Z/giENu8Q4/a7Bg==
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

2026-09-17T12:11:10.641871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012248
observed b9e02fcfee0956c7b4949d04251f98be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.622421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012248/manifest.json
observed 3a70ad5bf854730b88533c440087ab7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.603695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012248/publication.md
observed 4ec8257a2b0e02576937f721975b3be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.585274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012248/publication.txt
observed be7436448a94b484ef09d132372fab7e...
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.