OpenTechnical

OT-2026-000043828

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000043828) never changes.

Identity and time

Publication numberOT-2026-000043828 · never reused
Internal UUID01a0ae7b-d677-782a-8164-69edddd7c30c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043828
StatusPUBLIC

Content hashes

Canonical text708e43e549787d62ad0b19420351f519bf51dbd854d018871f190c4fd839ed0d
Markdown76915d799b9863833fc46e22d6cc3ea78f02a900a53c0a849195a8ac41e5bd79
PDF
Publication page49d055423449d0fbafff256108bbf98bae94e99f187a71f40a980f492377e275
Manifest5ae23c860d2bbda41ad3d0cb93de6d4afbcd61835357b82a1663fad04a41e41e

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
SignaturetrSi8gtAUcv4a4OCmJ6mkulyeFj8Pu/5Uj58frdLHJu2D8Pajvcz5tFuYCGX2YOUnlChmt0hzRsdUoOzC0utCw==
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

2026-09-17T11:12:08.400048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043828
observed 49d055423449d0fbafff256108bbf98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.380850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043828/manifest.json
observed 5ae23c860d2bbda41ad3d0cb93de6d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.361207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043828/publication.md
observed 76915d799b9863833fc46e22d6cc3ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.342219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043828/publication.txt
observed 708e43e549787d62ad0b19420351f519...
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.