OpenTechnical

OT-2026-000061030

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061030) never changes.

Identity and time

Publication numberOT-2026-000061030 · never reused
Internal UUID01a0ae8b-12f9-7cee-afcc-d60ca3e4ed84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061030
StatusPUBLIC

Content hashes

Canonical text40f6d99bdb82669f855bb14daa593e2c080439a4da34da1f01515320cc2772bf
Markdown52a602b5d16b9cb35f6b5c5e33f944fc8b08da7fc9bc4f394ada4771f7d5edd9
PDF
Publication page8e16a5e340c87834bfdef30512f5974a8b9f4f5709a21bfc526c7a349e5e0c8d
Manifest6e8fdcbf0a1d87cf7b5b28788f330d4b8c6003f4239651f87fc6860819976635

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
Signature8yc7XPzhJyr0HcNpVVuuvK67lnaiiRwVkzw82fOSuMRBw9JFl7IoFFXhFgrYcnUu5iB1Q+cnDw7IsBRO9PbECQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:22.726034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061030
observed 8e16a5e340c87834bfdef30512f5974a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.707854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061030/manifest.json
observed 6e8fdcbf0a1d87cf7b5b28788f330d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.688954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061030/publication.md
observed 52a602b5d16b9cb35f6b5c5e33f944fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.671626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061030/publication.txt
observed 40f6d99bdb82669f855bb14daa593e2c...
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.