OpenTechnical

OT-2026-000005575

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, vented before set down, polyurethane cups

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-2026-000005575) never changes.

Identity and time

Publication numberOT-2026-000005575 · never reused
Internal UUID01a0a93d-c5a3-7488-a05a-171e5df95d2c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:12.935308Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005575
StatusPUBLIC

Content hashes

Canonical texta06e4fc12c9a17e6ea63378fdd6a0cb49fcf1e9239b4b9f2ed0ed4958e7be18f
Markdown4b936580b9be4a9e113c55015762829f89cd83388b6e218c97de5a5cbcd8d893
PDF
Publication page690f5db683b954512681d56fd97fed7292d25cab02747c16c94414819fed71c4
Manifest63774b0361d708a8010f4ae15d20f080c9e1d6e70e800e73fb03c8996ccb34bf

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
Signature8N4Y8Y67nDNraHjQnsakjPnhYMyPgpa+wwcyTh5LLTVu2cebL4L180QS2xDlP6DchcPrNnMPlUfse0p3L9CuAw==
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

2026-09-16T08:10:24.967395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005575
observed 690f5db683b954512681d56fd97fed72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.953712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005575/manifest.json
observed 63774b0361d708a8010f4ae15d20f080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.940720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005575/publication.md
observed 4b936580b9be4a9e113c55015762829f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.928271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005575/publication.txt
observed a06e4fc12c9a17e6ea63378fdd6a0cb4...
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.