OpenTechnical

OT-2026-000059563

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000059563) never changes.

Identity and time

Publication numberOT-2026-000059563 · never reused
Internal UUID01a0ae89-ec23-732a-a14d-596142b117ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059563
StatusPUBLIC

Content hashes

Canonical text5a45bc4fd7edd7752ac7b277c51f06802c7f53f178e66dfb96028cbb02533f9e
Markdownb3a837cddc48ee404bc75ae7f737dac8fe6d4ea45185edd47bebcb6f50ed6e8d
PDF
Publication page7c9d7246cad1e723f57f7cb74a3ff406007710917008910384d6afee777238e9
Manifestaa9dd652308a5d0aada53030f13111226f31a8e4fd7df49a77eaa32fe7faf5f1

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
SignatureWwnz+ghzqkZEwYtXmLrvjEU2LxG1Mw4PL0z0xECipBQK5jT23Su8MueVmKJowON22Xgiaf858mSyvj05w1NXAQ==
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

2026-09-17T10:44:12.526420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059563
observed 7c9d7246cad1e723f57f7cb74a3ff406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.508939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059563/manifest.json
observed aa9dd652308a5d0aada53030f1311122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.491346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059563/publication.md
observed b3a837cddc48ee404bc75ae7f737dac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.472368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059563/publication.txt
observed 5a45bc4fd7edd7752ac7b277c51f0680...
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.