OpenTechnical

OT-2026-000043302

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000043302) never changes.

Identity and time

Publication numberOT-2026-000043302 · never reused
Internal UUID01a0ae7b-327d-768a-bb55-90d6804ff1b7 · 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-2026-000043302
StatusPUBLIC

Content hashes

Canonical text6f9bd7503a179de9e6c58fa39e77f0f9e2f3cdf378938e536cba2253388931f7
Markdowne613b2f366f2ecb5e02b099b4579bcc80c06302c76e1cb1227bc3fa969bc20b7
PDF
Publication page0b03d13a4baadb8f1ef68162839b3f7d83d65dff0300fce3dcbfa635e86b8d95
Manifestb66ba231089b189ed2843387da783b3cc762518e450d880fe32356a0d5602513

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
SignatureGEXdqA5OvIjf5dIFG6i6v6WhHHiiQ4Ybr2Z3V4Mi05cyPRJtTP/B8NGP/m4/ho553r7wkEK5+IyZCDGP2FJ+Aw==
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

2026-09-17T11:13:47.990583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043302
observed 0b03d13a4baadb8f1ef68162839b3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.972112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043302/manifest.json
observed b66ba231089b189ed2843387da783b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.951568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043302/publication.md
observed e613b2f366f2ecb5e02b099b4579bcc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.931736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043302/publication.txt
observed 6f9bd7503a179de9e6c58fa39e77f0f9...
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.