OpenTechnical

OT-2026-000023531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023531) never changes.

Identity and time

Publication numberOT-2026-000023531 · never reused
Internal UUID01a0ae70-7269-7f30-a69c-9146a7fb74f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023531
StatusPUBLIC

Content hashes

Canonical text2d956c1c1676593631b966e376fcfe45360c4ae80e5c12161e7d8d9a4857c623
Markdown059010fec715f7604fb6c69cc92b12d0cc9f46f2c1994c7e9cadbab64dd6e5ae
PDF
Publication pagee0b58381b7ce7ded3278d28fc51993289aaf9c2ebb46d9a2368eac5bc93a2057
Manifest647ba720a0b89a022da24b49f991ef5e7c97cc17188d71080412236126ff2b75

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
Signaturekrf6b7i8sk2Lq2Yf0nzDL4kpxYeNcSRc0ElJmmFNqW3qzzoKpzolQP+/pqYHoyQ9l0BKbksFU2A3kepvIovVAg==
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

2026-09-17T11:51:46.554147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023531
observed e0b58381b7ce7ded3278d28fc5199328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.533605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023531/manifest.json
observed 647ba720a0b89a022da24b49f991ef5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.515872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023531/publication.md
observed 059010fec715f7604fb6c69cc92b12d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.494011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023531/publication.txt
observed 2d956c1c1676593631b966e376fcfe45...
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.