OpenTechnical

OT-2026-000042570

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042570) never changes.

Identity and time

Publication numberOT-2026-000042570 · never reused
Internal UUID01a0ae7a-c0cd-772d-806d-b414752e554f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042570
StatusPUBLIC

Content hashes

Canonical text2d128b28d4a36b18fd5957668a6fca263325558fa66246b1c83b27216cce6a5f
Markdown047ebcedf887e79cc34959777a8834b3188109dac390800834d69e62ae958554
PDF
Publication page3df09eeaedc67a98a87a5ce35841e082a71394a41e7cc08369d0373f931d429b
Manifest881287fec355c842cd9780f677b54b998d84c62dc9b5a4fc482e2c8fd966c89c

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
SignaturefrxA90Xeyh/fL8+VLVA19IHGVZYaV1eNu7va804plojdqbbUCPpQ5lKWheLC9SASi6MOtwQwkzGg91aVS6PCDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:17.056608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042570
observed 3df09eeaedc67a98a87a5ce35841e082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.034534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042570/manifest.json
observed 881287fec355c842cd9780f677b54b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.013763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042570/publication.md
observed 047ebcedf887e79cc34959777a8834b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:16.991655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042570/publication.txt
observed 2d128b28d4a36b18fd5957668a6fca26...
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.