OpenTechnical

OT-2026-000103271

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000103271) never changes.

Identity and time

Publication numberOT-2026-000103271 · never reused
Internal UUID01a0aea4-be3f-7988-9222-20674208d000 · 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-2026-000103271
StatusPUBLIC

Content hashes

Canonical text39f8cd3c2f47789c6aa8e9e18046ac50284bccd606d4cc34a91bd843220b741e
Markdowndfc517974e73d02460b9d3d8c65e64d4b37ab18e8f6c3aa477d3a520751a8e53
PDF
Publication paged7d3c50834a5aa2378817624062a965678785030ae91020e7567a3f483824507
Manifestbcfb9d51abcf7eb94f9c95c9152e4e5b2a6262bb286fcf8c6bd758b1ca810cac

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
SignaturePxM3p3n/xOqPZZL+F0UoLFsqcB0GUw9Pr9FIYXavpoe+7cUEGK14Skw7WwxzMavTB+l3DjUjufFNxes4uq4HDw==
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

2026-09-17T09:23:30.617117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103271
observed d7d3c50834a5aa2378817624062a9656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.600030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103271/manifest.json
observed bcfb9d51abcf7eb94f9c95c9152e4e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.582766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103271/publication.md
observed dfc517974e73d02460b9d3d8c65e64d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.564875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103271/publication.txt
observed 39f8cd3c2f47789c6aa8e9e18046ac50...
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.