OpenTechnical

OT-2026-000047770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000047770) never changes.

Identity and time

Publication numberOT-2026-000047770 · never reused
Internal UUID01a0ae7f-c420-7f47-8417-06ca7a458073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047770
StatusPUBLIC

Content hashes

Canonical text4e4b7764d8a07919ad2b68f957982a2cddc124b942365bc8b726de65c4a6a368
Markdownfd381af60a609a63c1c8d1aaaa1ff652f8a53d7904d09d2761f71cfcd1fe19ae
PDF
Publication page4565601f997d87b5442a5cf235b998024c5c40c8eda3e963b9e96492b6f862c7
Manifeste8b62268c47085f676edf1364544ffa279a75c371b2ec1a80bd3018e92f6d7cd

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
SignatureDpKmgjlNVDmL0gi7uqjXJ1+mzwNsOhn74BKJdn4OTEcDIuLXRKTjv/AE7ulJlHD+A+s1tWBvDYaDhNluMp/dCw==
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

2026-09-17T11:05:39.670179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047770
observed 4565601f997d87b5442a5cf235b99802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.652326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047770/manifest.json
observed e8b62268c47085f676edf1364544ffa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.634357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047770/publication.md
observed fd381af60a609a63c1c8d1aaaa1ff652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.614984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047770/publication.txt
observed 4e4b7764d8a07919ad2b68f957982a2c...
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.