OpenTechnical

OT-2026-000044912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000044912) never changes.

Identity and time

Publication numberOT-2026-000044912 · never reused
Internal UUID01a0ae7c-911c-7fb2-9f50-0c4288b7d604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044912
StatusPUBLIC

Content hashes

Canonical textbccf628f24f901e03c481475c08bb5caa5cf756596a6215d9b6be8ee16c1be54
Markdownded5c7c10c28bb784241ff2f788602c81f3c356a963d18a0446d10ae08ec6ab7
PDF
Publication pagecc11ca672dfc84fd14e4a67380414a3987973492940d1208097c2790c4546a6d
Manifestb5c3d90039a249c06a09dd97da9978491a94c68f4bcaa55ad292ee5fcd561123

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
SignatureefMR8cSddiBmXZ7qUbm/UbllTbepsmkb/pVAWOUgp/f49YDONJPRid1huIZPSdslSEwu2/g45sOs3Rw814uuAg==
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

2026-09-17T11:11:34.922199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044912
observed cc11ca672dfc84fd14e4a67380414a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.904617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044912/manifest.json
observed b5c3d90039a249c06a09dd97da997849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.887633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044912/publication.md
observed ded5c7c10c28bb784241ff2f788602c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.870686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044912/publication.txt
observed bccf628f24f901e03c481475c08bb5ca...
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.