OpenTechnical

OT-2026-000007747

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000007747) never changes.

Identity and time

Publication numberOT-2026-000007747 · never reused
Internal UUID01a0ae62-843f-740c-9751-070030047548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007747
StatusPUBLIC

Content hashes

Canonical text7a193bddcd78971414feb02b6d716b79498da14d968954b0d2681aea8960a7a0
Markdown84d1166f83c6c0eeb81cbf97dedeedf9bbb55a9bd8c6b033ae5c2ad94dad77af
PDF
Publication page0284c81f4c1dd326a2e425756a20012af5a9cc4a0c87153a7c0e1f9546b09f9f
Manifest7272e68fa6d8ab0e09b632e7ed9c0a6789e8fdc54029a12ad5b870f2cc993452

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
SignaturepQ74DqF0GxcQtuFwVovhXCfZDOFoFP9NrWytS9Q3F4cIXAPrBhbP7x3xkWQpjdwUHjv/KXCAEvN6IXFTvQnrAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.511970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007747
observed 0284c81f4c1dd326a2e425756a20012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.486835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007747/manifest.json
observed 7272e68fa6d8ab0e09b632e7ed9c0a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.463041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007747/publication.md
observed 84d1166f83c6c0eeb81cbf97dedeedf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.446279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007747/publication.txt
observed 7a193bddcd78971414feb02b6d716b79...
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.