OpenTechnical

OT-2026-000057722

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000057722) never changes.

Identity and time

Publication numberOT-2026-000057722 · never reused
Internal UUID01a0ae88-2695-7c6b-a16f-7a64458b7c12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057722
StatusPUBLIC

Content hashes

Canonical textc050aeb8225abc851a3f5e756efe41d3a0586360185729439337e2e9e7d00287
Markdown636c13785e07c505952d60611d7e2e915454da043e15b90e2db2a67eeaaca9c8
PDF
Publication pagedc58b8c8bd8433c3583b1a52a41d74d544aabce72de28c8006518acc7ce646bf
Manifest52fd4404ca463577f2894788920419b5dac61ff86d536cda6b40c44bdfb3fa71

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
SignaturetL8Ajlw40QG/JpMckPsze3EL12AhajA62D1WfNP8i5HL3IB1SXXqMKUGLvcSfqmbfXSJqLhUb+cKDhPugY1UCQ==
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

2026-09-17T10:48:23.599247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057722
observed dc58b8c8bd8433c3583b1a52a41d74d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.579871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057722/manifest.json
observed 52fd4404ca463577f2894788920419b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.560099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057722/publication.md
observed 636c13785e07c505952d60611d7e2e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.540777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057722/publication.txt
observed c050aeb8225abc851a3f5e756efe41d3...
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.