OpenTechnical

OT-2026-000062044

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000062044) never changes.

Identity and time

Publication numberOT-2026-000062044 · never reused
Internal UUID01a0ae8b-b8af-7606-9a31-f54618ce44ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062044
StatusPUBLIC

Content hashes

Canonical text763c4b70cb8e9d594673d0e3a6560c63386c5484e4ec1ec6f19084c5c70fe632
Markdowne19fb13ac21fec118d2d589b4a38491036f6526672ea59ef763c6493f1dcd7d8
PDF
Publication page250f4d974145d8a4354b40c80d79d0f63b6d1a8856848ac7919e1c859761d191
Manifest49d6029e0bee5718883a69326c8d91b8713a659289ede13188833595610b5b03

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
SignaturewOF3vWCsdsivy5iJR/36kQIIE62+iie7/Pe7PoprQOmWrCfG26a0PXkik5L9nQJxbfyz8TbZrDTDFhh/ycJJBQ==
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

2026-09-17T10:41:05.069856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062044
observed 250f4d974145d8a4354b40c80d79d0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.050259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062044/manifest.json
observed 49d6029e0bee5718883a69326c8d91b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.030644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062044/publication.md
observed e19fb13ac21fec118d2d589b4a384910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.007980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062044/publication.txt
observed 763c4b70cb8e9d594673d0e3a6560c63...
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.