OpenTechnical

OT-2026-000043501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043501) never changes.

Identity and time

Publication numberOT-2026-000043501 · never reused
Internal UUID01a0ae7b-92ce-750e-a6c2-7433e99b4fd5 · 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-2026-000043501
StatusPUBLIC

Content hashes

Canonical textcb0de0366720104902d94c842cf5b868c81652a1bbbed760ff616d43d1c62518
Markdown66b2e331d459981752880090f30fac7833945311af094faa8068d63af3a296c8
PDF
Publication page65fb03d1f70edd5762f8fe72609d61f37d34515546ec678bfe437328693a3529
Manifest3ad2a7869368f5df3b68e74283b38c4c831df51aed26856c737683f9a866e229

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
SignatureQhVmifLRFxyfm+/csteNy/+pz4aS33wSKC9ukRpPn22wR/fxBjXqzOoWdOjypo3tsGFsrVmVNCZH38RTLJcDBA==
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

2026-09-17T11:12:52.080880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043501
observed 65fb03d1f70edd5762f8fe72609d61f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.058281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043501/manifest.json
observed 3ad2a7869368f5df3b68e74283b38c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.036591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043501/publication.md
observed 66b2e331d459981752880090f30fac78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.016533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043501/publication.txt
observed cb0de0366720104902d94c842cf5b868...
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.