OpenTechnical

OT-2026-000013256

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000013256) never changes.

Identity and time

Publication numberOT-2026-000013256 · never reused
Internal UUID01a0ae6d-6fc9-756b-a6cb-a34397a18729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013256
StatusPUBLIC

Content hashes

Canonical textb2cf97469540ff4017ba88ec54c6c701f51a1c4f2b5689a74730135bf71db8c6
Markdown790ace8532b4cbfe9235abfbb95e5a283825b360c9938a49b962ce150cab8546
PDF
Publication page674384b124dfdf897dbfb3dadf2465f706d6ce872c39b226a3bd8b106dc24bb5
Manifest3773703f5181232233cd41dc969601fb0e2551286f258d7ea6fb7bae74548ff1

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
SignatureadIb12GK+z3c2YPCuJywk5uOoHdB1wWkFCqFECz2+6yGhwOHLdDaNh0Z6OdhAzIoUN+Q6J0VetFyP71oeJA2AA==
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

2026-09-17T12:09:39.792346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013256
observed 674384b124dfdf897dbfb3dadf2465f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.773400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013256/manifest.json
observed 3773703f5181232233cd41dc969601fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.753122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013256/publication.md
observed 790ace8532b4cbfe9235abfbb95e5a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.733556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013256/publication.txt
observed b2cf97469540ff4017ba88ec54c6c701...
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.