OpenTechnical

OT-2026-000034890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000034890) never changes.

Identity and time

Publication numberOT-2026-000034890 · never reused
Internal UUID01a0ae76-1ed3-797f-affc-6762a895dc74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034890
StatusPUBLIC

Content hashes

Canonical text6430a1cc3bc1960178498fbb8de1eb7f4ada6fd18f58c7093a3c3ab74c228bf8
Markdownfcd343a0e4d85ca4d88b4a88554ef0bf03c6e7c987a158acbd29ff7294d524dd
PDF
Publication pagefd6d97087d69e5e350baff9be808a0d6639a8a45230aa08f0233da4aa1e0bb3c
Manifestffb22c98d95b556f4e0ff7f7533405cfd7a7d566364b01c7c62a61f9b4eb2da0

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
Signaturer9GhfKatXvqcoWaY1B6GcpuSVqIIlamCBQNsAZycUo1npDF6RHqAhtj13zBtILqU7f2Q/wBL4A8vCfCmrLLMDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.889111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890
observed fd6d97087d69e5e350baff9be808a0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.869311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/manifest.json
observed ffb22c98d95b556f4e0ff7f7533405cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.851364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/publication.md
observed fcd343a0e4d85ca4d88b4a88554ef0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.833438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/publication.txt
observed 6430a1cc3bc1960178498fbb8de1eb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.752474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890
observed fd6d97087d69e5e350baff9be808a0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.734594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/manifest.json
observed ffb22c98d95b556f4e0ff7f7533405cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.715181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/publication.md
observed fcd343a0e4d85ca4d88b4a88554ef0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.697981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034890/publication.txt
observed 6430a1cc3bc1960178498fbb8de1eb7f...
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.