OpenTechnical

OT-2026-000042624

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000042624) never changes.

Identity and time

Publication numberOT-2026-000042624 · never reused
Internal UUID01a0ae7a-c0ce-736b-95ec-8e1f1ccda362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042624
StatusPUBLIC

Content hashes

Canonical textf982b690e230d6b8eaf85491116067a91819bc8e031eea171194c588f8712c6d
Markdownecfa38982fbd111ba2649e1398701ebfd53eb94ce770f26e33d25b7d4cf15a64
PDF
Publication pageef5ebfb233e2121cc8d9c585bccdb864236b7e0b39aba0ccfc423f89e5f42ece
Manifest399cd0ed55e0a893723ee0998c75070b9ab3c2cf01afd030495a4a6dbbbffe32

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
SignatureRUF58BhK14egjUHockpaMS6V50Vt2rlc43XeW+6LFwd2YU0XS3L3DkS6EHb+pSXmCVQMFeI3Z632tMxsMl/MCQ==
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

2026-09-17T11:14:21.361860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042624
observed ef5ebfb233e2121cc8d9c585bccdb864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.343704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042624/manifest.json
observed 399cd0ed55e0a893723ee0998c75070b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.325153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042624/publication.md
observed ecfa38982fbd111ba2649e1398701ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.306132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042624/publication.txt
observed f982b690e230d6b8eaf85491116067a9...
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.