OpenTechnical

OT-2026-000049278

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049278) never changes.

Identity and time

Publication numberOT-2026-000049278 · never reused
Internal UUID01a0ae81-134f-7cfe-bc33-aad567232300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049278
StatusPUBLIC

Content hashes

Canonical textdbac20b7b054109fc042d6adf1b9138c4a46480da9282ef61e35d191bdba857c
Markdown955c4891fbfb3ebe7141ce82683cafddba0a5202fcc1fc351f98b48c54afe588
PDF
Publication pagef1abaf5c187b945de0348481852576df196098906b0078d2f5b2e8d7d626ac67
Manifeste0ce8a215955169aecb091aced46d640248b3270b31567eeb2746eb3d4299c2e

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
Signature4+ISgVQnvyzgj5dbi84U9DHGpHYVeNFMuqv9XW4Beu/Vm8pt9sFfh7uYOkzyzN3L/MG2RfymSgFm+9neZkpnBA==
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

2026-09-17T11:04:08.083429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049278
observed f1abaf5c187b945de0348481852576df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.064540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049278/manifest.json
observed e0ce8a215955169aecb091aced46d640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.044771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049278/publication.md
observed 955c4891fbfb3ebe7141ce82683cafdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.025650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049278/publication.txt
observed dbac20b7b054109fc042d6adf1b9138c...
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.