OpenTechnical

OT-2026-000028096

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000028096) never changes.

Identity and time

Publication numberOT-2026-000028096 · never reused
Internal UUID01a0ae72-a520-7198-927d-6d3d2d7d4438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028096
StatusPUBLIC

Content hashes

Canonical text0fb6974fd1d5a90cb47b45e724b065e4ed06c4d365796d7030de0d0fb6071090
Markdown4bbf2af29931aa77ffa2af092d649782efaef3d0cbb27030f7527445cb341a49
PDF
Publication pagebe4a972c008837d9709657b2770ecc5a9a2fc7ef7f2c78eaa6a8b45903b41aa0
Manifest7bca44a1abed19cb093efa1bf4e209b66eebd3068c28b1ca0f944d97918f152e

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
Signaturea4pKCLSBxIxzDW2mbm0QfOvYg/TWErKh2DG9hPqrB4rSY0rd2THIP5LfRKMw+VY160iTanplEX0Z3CUe6KeuDA==
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

2026-09-17T16:41:43.106478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096
observed be4a972c008837d9709657b2770ecc5a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:42.964139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/manifest.json
observed 7bca44a1abed19cb093efa1bf4e209b6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:42.777055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/publication.md
observed 4bbf2af29931aa77ffa2af092d649782...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:42.490866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/publication.txt
observed 0fb6974fd1d5a90cb47b45e724b065e4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.572729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096
observed be4a972c008837d9709657b2770ecc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.554000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/manifest.json
observed 7bca44a1abed19cb093efa1bf4e209b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.526015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/publication.md
observed 4bbf2af29931aa77ffa2af092d649782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.507630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028096/publication.txt
observed 0fb6974fd1d5a90cb47b45e724b065e4...
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.