OpenTechnical

OT-2026-000005473

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, sustained blow off before set down

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-2026-000005473) never changes.

Identity and time

Publication numberOT-2026-000005473 · never reused
Internal UUID01a0a93a-1e38-7126-ac22-e40fc59754b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:13.466673Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005473
StatusPUBLIC

Content hashes

Canonical text74acbd59d5fc2731c97a3211eeb2b43722633df94e0aeb6d279ae6c50c3fd8ab
Markdown6a83c2c4dbab3ce60e28df861765ef0d108a61c9d5b43a1d180ce712bccbe5ce
PDF
Publication page229dbc020f281ac5e118ed3ea0881cab7d483b2e29bd8fa0c6be782d61a56117
Manifest6420646ea71347afa39e424009bd3b48e871908ed7b5a7775101bdb4e1d3b5ec

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
SignaturedFyN5Vi+nXNCCkP7RCL1YY8jFwQ+GfnGmypgCjd79dIY4B7LLM8rZYM8XnnYhGGGdERNEidSPgoqAELzwQeXDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:05.207593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005473
observed 229dbc020f281ac5e118ed3ea0881cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.194152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005473/manifest.json
observed 6420646ea71347afa39e424009bd3b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.178055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005473/publication.md
observed 6a83c2c4dbab3ce60e28df861765ef0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.162482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005473/publication.txt
observed 74acbd59d5fc2731c97a3211eeb2b437...
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.