OpenTechnical

OT-2026-000033994

Publication integrity record

Six pad foam 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-2026-000033994) never changes.

Identity and time

Publication numberOT-2026-000033994 · never reused
Internal UUID01a0ae75-df0b-7d50-9a8c-c963758990d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033994
StatusPUBLIC

Content hashes

Canonical text1195022645f47fe14e6452b4c56b8b544addc6f6c6a69792eebde8faa3a52732
Markdown842f1e6c87535c2b8905ab7c9126a7fbeaa5ae970697a56edd51e467ef48310f
PDF
Publication pageb101efda4f3a10fe9fa1d5a8c2d80cef6badf0e901a3ec3dbbcf87ea77a604f9
Manifest430bd9258471cf27e1669ff015cbea0715ae4d5cc5e845365af746ff1d81bf18

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
Signature7hGCLe/rRpoAWDxKi9BjJbSDP3rvsb5bsfkQyvUZQjvZAoba6Q1E7q7uPIsggppAEmhh31oUPKYYd7p6A5n+Bg==
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

2026-09-17T11:30:08.142962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033994
observed b101efda4f3a10fe9fa1d5a8c2d80cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.127091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033994/manifest.json
observed 430bd9258471cf27e1669ff015cbea07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.109373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033994/publication.md
observed 842f1e6c87535c2b8905ab7c9126a7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.084471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033994/publication.txt
observed 1195022645f47fe14e6452b4c56b8b54...
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.