OpenTechnical

OT-2026-000046755

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046755) never changes.

Identity and time

Publication numberOT-2026-000046755 · never reused
Internal UUID01a0ae7e-d0f3-7aaf-9268-9f979cf32ed7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046755
StatusPUBLIC

Content hashes

Canonical text7dc1cae856af1e0f06529a02e11ff6cee43ade84084fe5084c59cfc9969cb0ac
Markdown9ec6a8ee038b01c5d480012b10cd7e7e825dd7b468c2203fc055643bc0ceb01e
PDF
Publication page229c4ad2df0200f29ad751cf2bfc53b30854dfe08c95fead8c92dd018fb059db
Manifest5c2096460cc684c0b8687cc17ba21effbde7166035c3149d03886b89740dd64e

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
SignaturebC3iHzXxpg49/EPXbXs5MYnb8+L/n0U6ZH317oe4rIw17dILchbXyZBlJCfsoPdklwcSil87PYk4PqiX4eUKDg==
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

2026-09-17T11:06:49.353864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046755
observed 229c4ad2df0200f29ad751cf2bfc53b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:49.300706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046755/manifest.json
observed 5c2096460cc684c0b8687cc17ba21eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:49.280804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046755/publication.md
observed 9ec6a8ee038b01c5d480012b10cd7e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:49.226830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046755/publication.txt
observed 7dc1cae856af1e0f06529a02e11ff6ce...
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.