OpenTechnical

OT-2026-000081279

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081279) never changes.

Identity and time

Publication numberOT-2026-000081279 · never reused
Internal UUID01a0ae96-f374-7686-a1d4-917473dc3b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081279
StatusPUBLIC

Content hashes

Canonical textb1afa8b024d4fc9e6c3b20739dc4fbf569f66c62cfa9afda250da86950f81215
Markdownfc62f2d19bcbcb4a816256511c309e4d5e59378b1a4bc17060d964a8708069b6
PDF
Publication page6aa9d993aed5fb7838390c464f6024289d9e4f16281d1f8037363cf40b5ff803
Manifest02699dfe18fe49eb7c5ef6234a6f4115f48c7883dca5518207f4cab7b696c277

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
Signature3b2F9PdzUySRoJAcTXmWuYhTXGE03k3XzZp6suUgr8Jj9Ql4YysCekTqfrrEDWthKS+BM+cOTJtU9JHcX4cNCQ==
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

2026-09-17T10:01:22.969882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081279
observed 6aa9d993aed5fb7838390c464f602428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.949563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081279/manifest.json
observed 02699dfe18fe49eb7c5ef6234a6f4115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.931446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081279/publication.md
observed fc62f2d19bcbcb4a816256511c309e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.913927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081279/publication.txt
observed b1afa8b024d4fc9e6c3b20739dc4fbf5...
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.