OpenTechnical

OT-2026-000043898

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000043898) never changes.

Identity and time

Publication numberOT-2026-000043898 · never reused
Internal UUID01a0ae7b-d678-77c3-898c-bd931500b57b · 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-2026-000043898
StatusPUBLIC

Content hashes

Canonical text229ed9daae1eebf6defa2ef24ade1b7d4a7c90cd2f7949ec7ac3af6b4b74f308
Markdownb4c5f63c786f9d89ce61a891cf8f7c662f909ca5ea604aaf7b3c377ae30ce930
PDF
Publication paged5bf960487226c6a501f2e0176fd55cf02696fea844322c65900f13dc2564b8f
Manifest2c226c6ce6aa1b34fd0c00ac9c7749399676211af741375ea8aa6b6d3c26680e

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
SignaturemIzycBsIc67Pf8vjyxf8+ce2W2hDmkpSgBelRKRc8Jr25J7sWKb/756FzkR4w5pk42cvXHUundZ2Fgm3WjuIAw==
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

2026-09-17T11:12:14.036548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043898
observed d5bf960487226c6a501f2e0176fd55cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.017666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043898/manifest.json
observed 2c226c6ce6aa1b34fd0c00ac9c774939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.999654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043898/publication.md
observed b4c5f63c786f9d89ce61a891cf8f7c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.980731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043898/publication.txt
observed 229ed9daae1eebf6defa2ef24ade1b7d...
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.