OpenTechnical

OT-2026-000103468

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed blow-off after 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-2026-000103468) never changes.

Identity and time

Publication numberOT-2026-000103468 · never reused
Internal UUID01a0aea4-e460-7397-aa79-b48ec2254f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103468
StatusPUBLIC

Content hashes

Canonical textfa5c106c04b4c5deeedaf4451c36d7472b1b7cca66f89de4b7636189749b347a
Markdowncb74d44d78578155c4adeb5b8acc85eb0f690bb80f25a07fb81f5f65bc3d92d0
PDF
Publication page8586f3b05e30bd8a43ba619651a094f237eaaa3284f258cd82c71a829408e459
Manifest1760f09912fcc5b46871a5383bb2922ec17aae395ce75bf50e086d0106e591c8

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
SignaturesTXHZR1biK6hbH6v2VgaXIrd+ohc+YKMxR6zQRw2puzM2tQ/3BFxFZJ4gyulqhEOJ61CBiBYF//DGwQ2E2DiDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:13.614070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103468
observed 8586f3b05e30bd8a43ba619651a094f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.596871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103468/manifest.json
observed 1760f09912fcc5b46871a5383bb2922e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.580678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103468/publication.md
observed cb74d44d78578155c4adeb5b8acc85eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.562662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103468/publication.txt
observed fa5c106c04b4c5deeedaf4451c36d747...
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.