OpenTechnical

OT-2026-000026475

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026475) never changes.

Identity and time

Publication numberOT-2026-000026475 · never reused
Internal UUID01a0ae71-f4a8-7912-8620-7abb1b38b629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026475
StatusPUBLIC

Content hashes

Canonical text35474089f8dfdd466f7d8bc578ede14b69e24d7798ef12a2481873cc63d3cb0f
Markdown4c39e31d1a703e4866c75b85ec8db5cec38e159ed42528725348437d7f3fa1d1
PDF
Publication page9cdb76fed637209430c7a49ddd906c5e5f42e2c86af06335ab739a8ba38054c0
Manifest89447f511957c42b6f0d274b87caa7b35cfdc77ce10cb30b64530efcd6297648

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
SignatureYPmAWIr1zb1eDr1OZ3ScAJoOQyXS7g1dVLhmUgj7HHJSTFfvYM+KMgCBnmSMhCw7KmiRbMYcscgoGph1xtSNDQ==
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

2026-09-17T11:44:28.904876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026475
observed 9cdb76fed637209430c7a49ddd906c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.887145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026475/manifest.json
observed 89447f511957c42b6f0d274b87caa7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.869162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026475/publication.md
observed 4c39e31d1a703e4866c75b85ec8db5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:28.852740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026475/publication.txt
observed 35474089f8dfdd466f7d8bc578ede14b...
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.