OpenTechnical

OT-2026-000027411

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000027411) never changes.

Identity and time

Publication numberOT-2026-000027411 · never reused
Internal UUID01a0ae72-6998-7048-a23d-cf7744bd1f71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027411
StatusPUBLIC

Content hashes

Canonical textd263746da81e131c7d5a8680420948bdef33a481357bf5e4ddfcd7450c3e24c2
Markdown62c4f6be79809a6b3aabffcb78f40b8dec1a153a534abaf6d049e30dc8fcc420
PDF
Publication page1230c5883a012910806a02ede1bcc39d293c1322cfe586bab5c90b1590f09010
Manifestfc0ce2aea0c87fdf1c9f8088ad475c0e1a72e37998911264976a629eb28ed5cb

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
Signature2G+/DMRISy89RYescyDkS3VitdoFBhz0mmJiShEDrAXE0dauxY24sBQs3kSk3GHFozn7AlZnJ1tjMtCLyV58Dg==
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

2026-09-17T11:42:50.265528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027411
observed 1230c5883a012910806a02ede1bcc39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.247574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027411/manifest.json
observed fc0ce2aea0c87fdf1c9f8088ad475c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.228059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027411/publication.md
observed 62c4f6be79809a6b3aabffcb78f40b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.209859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027411/publication.txt
observed d263746da81e131c7d5a8680420948bd...
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.