OpenTechnical

OT-2026-000057833

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000057833) never changes.

Identity and time

Publication numberOT-2026-000057833 · never reused
Internal UUID01a0ae88-6ed8-7987-b44f-efeddedb9753 · 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-2026-000057833
StatusPUBLIC

Content hashes

Canonical textd05b6c81067a6e787e9b9b1841c7a5339192cf02eb8f9bb92d57ee7431b38f79
Markdown1dbd78c366926c32a4f002bfcf16e8483e39e061c985ccb05d7ee93987850e98
PDF
Publication page26fab4cf943dd61322b6eadf70bb8dd579f1ef324ffe35dc9fd1cc96e17ce122
Manifestca67f5d8042d2317867fc12c09b91baec800be2e89a7d54ae7bf4c88dc382b4b

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
SignatureYAVTlgDX0il88oJzjAVYlUezdGq1EUIKEmaUWf3lnDmzNM+/LK7g7xllAkhVMNyOBcACoaCh/sj8Dd4eXvyaBw==
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

2026-09-17T12:41:52.305862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833
observed 26fab4cf943dd61322b6eadf70bb8dd5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:52.023894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/manifest.json
observed ca67f5d8042d2317867fc12c09b91bae...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:51.827603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/publication.md
observed 1dbd78c366926c32a4f002bfcf16e848...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:51.679649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/publication.txt
observed d05b6c81067a6e787e9b9b1841c7a533...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.496768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833
observed 26fab4cf943dd61322b6eadf70bb8dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.481219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/manifest.json
observed ca67f5d8042d2317867fc12c09b91bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.465101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/publication.md
observed 1dbd78c366926c32a4f002bfcf16e848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.446942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057833/publication.txt
observed d05b6c81067a6e787e9b9b1841c7a533...
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.