OpenTechnical

OT-2026-000082147

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000082147) never changes.

Identity and time

Publication numberOT-2026-000082147 · never reused
Internal UUID01a0ae97-4d93-7000-b46b-5ba6792a4692 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082147
StatusPUBLIC

Content hashes

Canonical textbeade20ab866114d6a10a466f0284003d9c684e37199beb82c7e729add0b7aa9
Markdown827f94dc6e9a209a90d839e4ef7acf34652dda9429a71f0a86958ef778f36ad1
PDF
Publication page538e32b6424cec73951b664fd5804e13a1b15a075c7c3885cd8f31dcb57a8779
Manifest6a66b353867dfdebb946f1ded6df3bfe4a00362a6b9d0f8252fca94367bd9a0a

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
SignatureDTO9ZbPG0P/lLCTIitTIkCR7RBftqEqvB3UClzx7dBK/sPyp+YfKIKUYc6COQ7WxKacXhz7l6Ctn60P74rYuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:58.070817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082147
observed 538e32b6424cec73951b664fd5804e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.055586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082147/manifest.json
observed 6a66b353867dfdebb946f1ded6df3bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.039417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082147/publication.md
observed 827f94dc6e9a209a90d839e4ef7acf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.021738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082147/publication.txt
observed beade20ab866114d6a10a466f0284003...
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.