OpenTechnical

OT-2026-000013878

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000013878) never changes.

Identity and time

Publication numberOT-2026-000013878 · never reused
Internal UUID01a0ae6d-8dea-7dea-97e4-3bbd63ea788a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013878
StatusPUBLIC

Content hashes

Canonical textd76d1ed8df2951b5298d1ca518f97a8a09889b13b49455d81c0a6ccc05397262
Markdown45b7efa86ba49660e9cb2e3ba24a281f36b3cd8955acbf8e4cca6152e20210d3
PDF
Publication page6c2e4da5bc6fe80231080f880b5377279c5ae334388f82f3b11c15e849d712d8
Manifest3cbe0c15810cbd2cc69af6b3b2671cdc790b96440f18d6ed0e277473a799f301

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
Signaturez7OD43/+DT85L9AlLkGBe9V7OJu6zbhiLR23Ef/4ZEPzMjo4b8v6WhSe77hndAL+va0Y0V3lg7Ya16Wd1gJABw==
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

2026-09-17T12:08:59.768262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013878
observed 6c2e4da5bc6fe80231080f880b537727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.748934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013878/manifest.json
observed 3cbe0c15810cbd2cc69af6b3b2671cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.729020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013878/publication.md
observed 45b7efa86ba49660e9cb2e3ba24a281f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.709557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013878/publication.txt
observed d76d1ed8df2951b5298d1ca518f97a8a...
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.