OpenTechnical

OT-2026-000060472

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000060472) never changes.

Identity and time

Publication numberOT-2026-000060472 · never reused
Internal UUID01a0ae8a-b7cb-7196-bcd1-8320da314020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060472
StatusPUBLIC

Content hashes

Canonical text3c68c771a4dd39c4f1a5922209ef3dee337446709f226d21583858075c6f602a
Markdowneb8f0f8f911df3f18faebcd471745a93cdaea102bfcb23ffd35b7ba732e7178c
PDF
Publication page3441082d600ab4b77a9f6adee3dc8149b987688cdceb29965c3285a6e6ae12c1
Manifest9c1d28d1bd447958a3ac816faacac6e3b0c3bd564ea8cf9964f3e14d24644b9c

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
SignaturejbFah5DFyA+FNruN0bmNQ82Qd30aFkuDOkPznf3c8VOcGUPwErhe88s92b89AdU31JCJ8Gb73f/HYY+U6PU8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:57.717664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060472
observed 3441082d600ab4b77a9f6adee3dc8149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.698730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060472/manifest.json
observed 9c1d28d1bd447958a3ac816faacac6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.681145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060472/publication.md
observed eb8f0f8f911df3f18faebcd471745a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.663325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060472/publication.txt
observed 3c68c771a4dd39c4f1a5922209ef3dee...
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.