OpenTechnical

OT-2026-000103159

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103159) never changes.

Identity and time

Publication numberOT-2026-000103159 · never reused
Internal UUID01a0aea4-be3e-7346-8438-fa93f600e738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103159
StatusPUBLIC

Content hashes

Canonical text0ced619113ffd3a39b08864656b12753672a1337c8d727ad3dbb847476417dca
Markdownf4aaf9f3727aa1f3f85d46b6777b05074dc6cb19617936414bbe654edae80187
PDF
Publication page601658eafef920fcc9c860e8d5a54d32b9d148f2a73ae0b0a787c548c784a028
Manifest17aff3946c042c7f8ad274c310b041cbb540bc1a58036f10c9eb3eafcc5cb907

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
SignatureU2Baj4tFltuhkspWRcokdcKW48LbeIoYobhFEDmjB+lS4zVUNGOW5egt1k1KlQ7s2rCJQZgx5jN5ahysuDFXDg==
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

2026-09-17T09:23:22.408092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103159
observed 601658eafef920fcc9c860e8d5a54d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.389529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103159/manifest.json
observed 17aff3946c042c7f8ad274c310b041cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.370794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103159/publication.md
observed f4aaf9f3727aa1f3f85d46b6777b0507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.352631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103159/publication.txt
observed 0ced619113ffd3a39b08864656b12753...
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.