OpenTechnical

OT-2026-000067160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000067160) never changes.

Identity and time

Publication numberOT-2026-000067160 · never reused
Internal UUID01a0ae8f-14ff-7d8c-9cf2-a8aa0d00647a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067160
StatusPUBLIC

Content hashes

Canonical text33bcf6bb6aa48aad8a74e9b4ce074806aa54a854ae0dcecb40eb7d8ee03dcbe1
Markdown79a6e86c8b64c0931ebdef48246c473520a1e1f619068fc17fd0245eb79d21dc
PDF
Publication page527949b2f0fe4e98688d053a40f4ac72bf2612cc0a84cfe1efdf30d2a092f002
Manifest6d481d331221a1a253fddc48a6bda121a60915aaededea145b83742c80deccfe

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
Signature6EmRnYBBsTicfn071G7v6xqV+HY3+0+5Y+o23CFfDpHgB2lB/vaAuahO2DwWsKsBakFCp7FCkdZC3eA8LXOKBw==
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

2026-09-17T10:32:26.540516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067160
observed 527949b2f0fe4e98688d053a40f4ac72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.524562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067160/manifest.json
observed 6d481d331221a1a253fddc48a6bda121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.508134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067160/publication.md
observed 79a6e86c8b64c0931ebdef48246c4735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.490989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067160/publication.txt
observed 33bcf6bb6aa48aad8a74e9b4ce074806...
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.