OpenTechnical

OT-2026-000026271

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000026271) never changes.

Identity and time

Publication numberOT-2026-000026271 · never reused
Internal UUID01a0ae71-f4a6-75bd-846e-f5a2c07c659d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026271
StatusPUBLIC

Content hashes

Canonical textd4e4f02e97d70fd8d995376f5b7d85759bcddd4fc5fb5d4fa67379f6d24cdf02
Markdown14c062c5da37e42090c04e80259810126d83180ee48db85d49593ad998863623
PDF
Publication pagec6bc660026d0fb018bce9251120fb8d49f6c69c168272002e6c5b7bc697a6a65
Manifestfadc228ecfb2cf224e0d6704a0c9e8d9ce1e2f9159a05a650bc05a4f7efa3f19

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
SignaturewZTsS3OhIUXDTX2VqEWkB699tDs+eApgMLXXb93gA8ldZn+LjOJxCLohhVmsZrdmtfLk4jwIg3S/TXPVkhA/Cw==
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

2026-09-17T11:44:13.013866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026271
observed c6bc660026d0fb018bce9251120fb8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.997280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026271/manifest.json
observed fadc228ecfb2cf224e0d6704a0c9e8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.980877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026271/publication.md
observed 14c062c5da37e42090c04e8025981012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.965016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026271/publication.txt
observed d4e4f02e97d70fd8d995376f5b7d8575...
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.