OpenTechnical

OT-2026-000042811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042811) never changes.

Identity and time

Publication numberOT-2026-000042811 · never reused
Internal UUID01a0ae7a-c0d0-7a73-83b9-7363a1bec143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042811
StatusPUBLIC

Content hashes

Canonical text519278051d8b3b090b4c57c2195ef76acb352f75edcc3987a02032c2c00a706c
Markdown627f565691939a48f88a245d52089e87afc0a0443f262b4712d01a5a67324411
PDF
Publication page864fd68860c4e210e4b91463ca8e40cedf3b002bff7a45477ab378176805dedd
Manifest3d297262c215ded2d5eddc44627d93709ca968b076b421a05016ece88049c946

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
SignatureXjxG81m8t/vAPCUVahOc2MsOYdKIq4XXbaghma3hgiE0+36UV1/DGDF9RfALT2KhTCOP2XuiBr3zWXlPeh2KAw==
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

2026-09-17T11:15:17.225538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042811
observed 864fd68860c4e210e4b91463ca8e40ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.205128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042811/manifest.json
observed 3d297262c215ded2d5eddc44627d9370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.182746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042811/publication.md
observed 627f565691939a48f88a245d52089e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.163142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042811/publication.txt
observed 519278051d8b3b090b4c57c2195ef76a...
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.