OpenTechnical

OT-2026-000053751

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000053751) never changes.

Identity and time

Publication numberOT-2026-000053751 · never reused
Internal UUID01a0ae85-735d-7c54-8e00-ba302e139827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053751
StatusPUBLIC

Content hashes

Canonical text683e904df63093863caf3e66d4e1594dfb9406f0eddd36f6ddea4cfe4c72936e
Markdown6f2ef82467c7bfe6d011a05ba4f699289d7f836780265b341a5c30f9426a7383
PDF
Publication pagedf79f15b1c777f8a49bedd006bcf40cea5803e2968c94b8413652177bb02f64a
Manifestf722a68f1365ca9d8eee60292f0f486e844773f8b77fdb05bdc00054b8404175

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
SignatureLl8eStZGxtpNYRkzmJpl81Tf0jnHg731kxi12KXDw1SWpWcBk3ZYILTp8hrTbPQW+lzgkTVXTmcFDCb3AfH/Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:22.725443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053751
observed df79f15b1c777f8a49bedd006bcf40ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:22.570454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053751/manifest.json
observed f722a68f1365ca9d8eee60292f0f486e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:22.551740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053751/publication.md
observed 6f2ef82467c7bfe6d011a05ba4f69928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:22.534234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053751/publication.txt
observed 683e904df63093863caf3e66d4e1594d...
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.