OpenTechnical

OT-2026-000067540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000067540) never changes.

Identity and time

Publication numberOT-2026-000067540 · never reused
Internal UUID01a0ae8f-6bda-7272-a613-9efd90ef089e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067540
StatusPUBLIC

Content hashes

Canonical text2670e8c308efba8265ec7e14dc2653ae3d2e9f0890c2bea197d20fcb1e91443a
Markdown465f1fa78937dc098e8c1c819e23bc5f8d9583d0f29614df9dca48b1d40c6ddb
PDF
Publication page7e3a354ff8c47b7a915a29be44259e36a8b47f4a6fb34e1638851c7ee2c5fac8
Manifestb28a507e546202110f128ad39322532738c7dae8122063f29319fc777a17cf5e

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
Signaturefqpe4dJVz3s4YUElIYBE6nBKSXuXpjTtV4BnI48ypsqnH81KrcY2MOLEEouw83YxseDJgqNPcGNrYangThGfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:50.673454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067540
observed 7e3a354ff8c47b7a915a29be44259e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.655260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067540/manifest.json
observed b28a507e546202110f128ad393225327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.637321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067540/publication.md
observed 465f1fa78937dc098e8c1c819e23bc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.620132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067540/publication.txt
observed 2670e8c308efba8265ec7e14dc2653ae...
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.