OpenTechnical

OT-2026-000043679

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043679) never changes.

Identity and time

Publication numberOT-2026-000043679 · never reused
Internal UUID01a0ae7b-92d0-7276-bd9f-2601e0ad8304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043679
StatusPUBLIC

Content hashes

Canonical textee983e37e645adbe17cbd1c401d419239e1f3e92e771267242755ff3749b9218
Markdownf4e8c2eea621fbbaedd76cac886d161c00bc67897f6b1ede58d744dd5565fbb0
PDF
Publication page5fbaf7518a737a93ea0b73361afdd570c1d2c26f06f280200f7379b2438cb5db
Manifestb1358395a7df5178e20ffc882093dfe280ffbd01dacad5441c942a481322f95a

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
SignatureaUMf0o5hrRb3bk56rcNlfuN14iDgcQ9Ca2K+jb4+4JPxo4jsWHss437YHbN3oIOaWVvZPPgb20ZYvwiMjt73DQ==
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

2026-09-17T11:13:10.153624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043679
observed 5fbaf7518a737a93ea0b73361afdd570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.137270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043679/manifest.json
observed b1358395a7df5178e20ffc882093dfe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.119372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043679/publication.md
observed f4e8c2eea621fbbaedd76cac886d161c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.102430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043679/publication.txt
observed ee983e37e645adbe17cbd1c401d41923...
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.