OpenTechnical

OT-2026-000056419

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000056419) never changes.

Identity and time

Publication numberOT-2026-000056419 · never reused
Internal UUID01a0ae87-4bd2-7699-a1d2-a5ccc9f100b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056419
StatusPUBLIC

Content hashes

Canonical text333a64fb098486325feaca8bfc5b53b90989ae8017550694c870a12f7ea2a666
Markdownb37e25ea6879cd8263199185668fbbdd9074799fec7743fc16152fc07905a5eb
PDF
Publication page1467685eac80313ae38706a9a7498d7b13fb355c41f8eeb300c674431e869a45
Manifestf972a7ba0f1593dbb14d5fc850c01a3a14212f15b3d0a3792aecd47cfa557539

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
Signature51M3GejSNxd7/J0/6pKMGmkZcrw/AD2m+jbNPSTIK5PVHJbQnrjx89mj/VlZ2clTFlMhBt/eaRouaw0g12PEBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:57.031033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056419
observed 1467685eac80313ae38706a9a7498d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.015135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056419/manifest.json
observed f972a7ba0f1593dbb14d5fc850c01a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.997496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056419/publication.md
observed b37e25ea6879cd8263199185668fbbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.980949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056419/publication.txt
observed 333a64fb098486325feaca8bfc5b53b9...
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.