OpenTechnical

OT-2026-000058227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line 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-2026-000058227) never changes.

Identity and time

Publication numberOT-2026-000058227 · never reused
Internal UUID01a0ae88-6edb-78f1-a4b8-d238f5430cd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058227
StatusPUBLIC

Content hashes

Canonical textf74ce5b0323d289b4737c6e1cae3c07b5c769d42cb45ac7b467668e4f7cb86e3
Markdown19a53b18a6a300d67ce4f9ddb7ef03b547422c779aef65dd58421b0e3cae885d
PDF
Publication page997e976f9d57e30dc4a45e33f4c4e4843c0be74b0c6b95e3e08791187abe053f
Manifest08ad65a58ead55ee731cdba1bb722c9175d9b08937e358ea26de59315192bca6

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
SignatureSUAnjREWeQK/tx+u4NipEiFGhh4qewLEjMGUU9NowqZZg1deb84WsSuFrh9/J0iNJlciQ5wBPVvB85LT+mT1AQ==
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

2026-09-17T10:47:56.149776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058227
observed 997e976f9d57e30dc4a45e33f4c4e484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.131819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058227/manifest.json
observed 08ad65a58ead55ee731cdba1bb722c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.113181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058227/publication.md
observed 19a53b18a6a300d67ce4f9ddb7ef03b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.094731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058227/publication.txt
observed f74ce5b0323d289b4737c6e1cae3c07b...
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.