OpenTechnical

OT-2026-000021070

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021070) never changes.

Identity and time

Publication numberOT-2026-000021070 · never reused
Internal UUID01a0ae6f-65e5-7697-9e05-9764e9a8a585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021070
StatusPUBLIC

Content hashes

Canonical text1bd121eb93be26e40d9e7f3f77891b86d6b01762da5e266f0c9e7657d3dfd896
Markdown0ebf8b1afe4597c055cc73da85f6bf6f3216bccf007d4fbb129cfdbb58da49d5
PDF
Publication page6c010ceea7cade15ffcecea0d5595ebc672b142cdf041d5c5f150b73a7c59bcf
Manifest9530c114d11fa6599a500c08d623529bfeeff560b3f6abfa431eebaa0d5acbaa

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
SignatureRnJrkLaM2/OiR5Yn6UVHmCIpi0AFoxj42R4o5sBdqKt8qFJ9AmRe1opmYmDeVp7ZN72G3Cc2EJaGuCXJNbCzDQ==
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

2026-09-17T11:56:14.576085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021070
observed 6c010ceea7cade15ffcecea0d5595ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.559740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021070/manifest.json
observed 9530c114d11fa6599a500c08d623529b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.542742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021070/publication.md
observed 0ebf8b1afe4597c055cc73da85f6bf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.524546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021070/publication.txt
observed 1bd121eb93be26e40d9e7f3f77891b86...
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.