OpenTechnical

OT-2026-000055809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000055809) never changes.

Identity and time

Publication numberOT-2026-000055809 · never reused
Internal UUID01a0ae87-0a49-73c7-adc2-a0097bcf3db0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055809
StatusPUBLIC

Content hashes

Canonical text32c578181e5522f8a2af6eaabdcc15049d914505fa7ba3a3ccc0cd4b479aaf83
Markdown968885c303b015b4c1f08e6b54e779a702a61bea35fd06093fc7fe4b19a90f0c
PDF
Publication page8a86813e191e8c4b9ada05e94712b7ac5baed21f0cd6b81feff74fb8e0adb2f0
Manifestbc409927aaddbeb907c5630fcc334bd51cd42f73cd2bebab22a68636532af237

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
SignatureO98Vm2Y3wojQBhhhmxHVl9ZbgG9PqtTvwsitf6qnhgp3nxGjzaq9qX//Epz3iBkacYhAqvc4WAZOo/4WmxBXDQ==
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

2026-09-17T10:51:11.221120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055809
observed 8a86813e191e8c4b9ada05e94712b7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.204720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055809/manifest.json
observed bc409927aaddbeb907c5630fcc334bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.185949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055809/publication.md
observed 968885c303b015b4c1f08e6b54e779a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.170821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055809/publication.txt
observed 32c578181e5522f8a2af6eaabdcc1504...
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.