OpenTechnical

OT-2026-000091506

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000091506) never changes.

Identity and time

Publication numberOT-2026-000091506 · never reused
Internal UUID01a0ae9c-f16d-722a-8366-2be12ad5a179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091506
StatusPUBLIC

Content hashes

Canonical textd1285d4803a3fa101a0a5643c2e3835e54f5b72a5e513b3721c5117eff365494
Markdowneaa488ed5b868533705d8f7695751e1e9523712c0ed31a55fff4108bdd6cdf84
PDF
Publication page47f52f4e2fc17478975fd4943d92d81759fbac75499c1bbc02609ec839819484
Manifest7892f4f006279e6c548d6a1d26ce529a6d5ea8abee9eb5dc8adb5a7923024d7e

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
SignaturehwjyTxYbo/qTumYMb1Z8O1gnK8o/+wcT+pIve5lAKKP0cDMlxEfpGg6rTIu60EUvtdDlYyIlzVBKUnnDbKCrCw==
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

2026-09-17T09:43:46.055776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091506
observed 47f52f4e2fc17478975fd4943d92d817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.038003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091506/manifest.json
observed 7892f4f006279e6c548d6a1d26ce529a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.022146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091506/publication.md
observed eaa488ed5b868533705d8f7695751e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.006147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091506/publication.txt
observed d1285d4803a3fa101a0a5643c2e3835e...
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.