OpenTechnical

OT-2026-000100589

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100589) never changes.

Identity and time

Publication numberOT-2026-000100589 · never reused
Internal UUID01a0aea3-66f2-7c6a-bf26-7c7db9487a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100589
StatusPUBLIC

Content hashes

Canonical text68ee94e26d9d5e23b28637f9a99c50aa69ebe8934fbf5a772835014ca9c4f89a
Markdown5f1ef3eb6b1ebce180f5d02d957e7a34a4f48f249ca7db6cfdfa72113e3f8e1f
PDF
Publication paged31016e35f6e28b1b98daeca4f273d7b5258d7ec5dce04cf9895cc0c9df8cfa0
Manifest9e2e4cc6c9134265087bb03b06f15eb83b3bcb41e2ac7f1c9ad15843d5102f18

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
Signatureh5ZJ3UiywPbQ4nptef2JcwcvBtU4jwPIZalIP08DTGG40AYmYPVSDyAI0dDwEC3dnpn41eSfsw9sPFgbxzn2Cg==
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

2026-09-17T09:27:22.510578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100589
observed d31016e35f6e28b1b98daeca4f273d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.494272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100589/manifest.json
observed 9e2e4cc6c9134265087bb03b06f15eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.477703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100589/publication.md
observed 5f1ef3eb6b1ebce180f5d02d957e7a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.461643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100589/publication.txt
observed 68ee94e26d9d5e23b28637f9a99c50aa...
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.