OpenTechnical

OT-2026-000026645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000026645) never changes.

Identity and time

Publication numberOT-2026-000026645 · never reused
Internal UUID01a0ae71-f4aa-742f-8dd8-2c8d4b00b8ca · 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-2026-000026645
StatusPUBLIC

Content hashes

Canonical text8fdfa6271e030ccd3000a2c259e6b4c52b7e6af93b43961f78ed942458af194f
Markdown09b91dcbe7b743342c0dcf9f55fda722ec8f09b7c16efe36986093b13cce91e5
PDF
Publication page330254c4d65c174ae70724086c43ffff77dc0155ea5a9033e2b9abf3e56ff7a2
Manifest777cb1bbdd86042926783be984f4ca162f36202c5eff4d10986cf1d3908014c5

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
SignaturesbzdTZjcvIcO4D0VwF3+el/WiIGKY6nSoQSOqcdPMPDteT3OxDmR70r9yzhtJqa5Fy2NtWEtbfCTh2zgJdJOCA==
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

2026-09-17T11:45:43.505193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026645
observed 330254c4d65c174ae70724086c43ffff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.487704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026645/manifest.json
observed 777cb1bbdd86042926783be984f4ca16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.467316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026645/publication.md
observed 09b91dcbe7b743342c0dcf9f55fda722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.445262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026645/publication.txt
observed 8fdfa6271e030ccd3000a2c259e6b4c5...
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.