OpenTechnical

OT-2026-000043315

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000043315) never changes.

Identity and time

Publication numberOT-2026-000043315 · never reused
Internal UUID01a0ae7b-327d-7913-a23b-4ac50ba9a24f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043315
StatusPUBLIC

Content hashes

Canonical texte99d5553f400beada19a1269acdf938f4eaedc06f439e9121dac157f2a2b43b4
Markdown1042572e649effd4c198e1b1b2d49831e89376202ebf98ec92e28ac942e4af8c
PDF
Publication page3f3e0a58cd97a3b7becd6eb440fa86c5860e2554298b1787c26a9e1bf0f31257
Manifestb9dabdc9f2350e047aae2b538c945d9bbd544b4741794732852bfde44bda24f2

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
SignatureDB4OF8KSBssnoHY6NXHuMk5nAhOerFVknl56W/zlhweGtuCL2H/wpd1ARxWKFkNIJ9PU7vY47mkqEhGGkm+UCA==
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

2026-09-17T11:13:49.065806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043315
observed 3f3e0a58cd97a3b7becd6eb440fa86c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.044058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043315/manifest.json
observed b9dabdc9f2350e047aae2b538c945d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.018735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043315/publication.md
observed 1042572e649effd4c198e1b1b2d49831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.993204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043315/publication.txt
observed e99d5553f400beada19a1269acdf938f...
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.