OpenTechnical

OT-2026-000014288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000014288) never changes.

Identity and time

Publication numberOT-2026-000014288 · never reused
Internal UUID01a0ae6d-b279-7308-9151-38c84e15b61c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014288
StatusPUBLIC

Content hashes

Canonical text58d99247934e8d1a64348593e63229817117bb31c8ff1de78b759a15f7af9b59
Markdownaced7a02a572cfb585855ab85b6f50e3fb7c1cd2e728b2a40323e409d5504c2f
PDF
Publication pagedd5539006c989f942c09f222f34dc145fa5e8d46f911efcf9086d1350f16dc75
Manifest74802832f16989288208d8cb96060b6c9a2ee80b5fec593c26744d7cee42a48a

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
Signaturew43lDRP2RheeCkwZx7h03lOK4Ix2M6TwhaMTsBGt7NqJNBIdIBojBibIebIstMT4hLVa5RvT5uwgS6ZnZkHXCA==
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

2026-09-17T12:07:30.369727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014288
observed dd5539006c989f942c09f222f34dc145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.348772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014288/manifest.json
observed 74802832f16989288208d8cb96060b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.329748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014288/publication.md
observed aced7a02a572cfb585855ab85b6f50e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.310717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014288/publication.txt
observed 58d99247934e8d1a64348593e6322981...
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.