OpenTechnical

OT-2026-000011028

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, vented 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-2026-000011028) never changes.

Identity and time

Publication numberOT-2026-000011028 · never reused
Internal UUID01a0ae6c-540e-7e92-98c6-515ee06bc606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011028
StatusPUBLIC

Content hashes

Canonical text255e00e441e32d92c177b1af86ddb48a759bfbd7008550b9e0cb767015d73c66
Markdown239fc1b504402b19037f1f4251f2ae417458999344a48f5813658153ff4b45b0
PDF
Publication page979df64223bed1e1d33a9d8501e9e6eb97ebe5bcd1ee42a88bd5a0491802e5b4
Manifest94277992d73f5332359f0036365ec52bfecb150ac0f6319030dac787edd57dd8

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
SignatureDd6s/WZ9jbh6hW3YrSr4WrrtWqkUtgWavwHMPm887QRMGbQiuP74RvZQy1dyJuT9m51Py8O/gC4fmO/5wj8uDQ==
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

2026-09-17T12:13:51.221316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011028
observed 979df64223bed1e1d33a9d8501e9e6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.198050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011028/manifest.json
observed 94277992d73f5332359f0036365ec52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.178920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011028/publication.md
observed 239fc1b504402b19037f1f4251f2ae41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.158133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011028/publication.txt
observed 255e00e441e32d92c177b1af86ddb48a...
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.