OpenTechnical

OT-2026-000005008

Publication integrity record

Porous face vacuum gripper, four zone face, two stage ejector, pressure verified, contact triggered

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-2026-000005008) never changes.

Identity and time

Publication numberOT-2026-000005008 · never reused
Internal UUID01a0a92a-d537-7b2c-bfdf-011785ad8372 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:31.739570Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005008
StatusPUBLIC

Content hashes

Canonical text64f9bc6ed76151946319b9258e281bd2e637428f02cf30840b1804cb2eb4a4c5
Markdowne4dbe472169dea576ea0e02c308dfbd6a4ee5edd24f3447340a9513d4914bbb5
PDF
Publication page1e97cf64dcd9479f353a65005c1278d22730f805863bea78051e5119522a4dce
Manifest071ea73f43a7a0a08a5888047d7c4e3f78bcca61baf7861b81c393f3ede82ce7

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
SignaturetYMVCFHVa3jDtu17nUoRE1hET4pTXu1ptK4LDe5blu4SRxm+9jvjL7zeILFC9zjQdUl7O4z2WUHGYLlUDP7zCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:25.465209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005008
observed 1e97cf64dcd9479f353a65005c1278d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.450946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005008/manifest.json
observed 071ea73f43a7a0a08a5888047d7c4e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.436939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005008/publication.md
observed e4dbe472169dea576ea0e02c308dfbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.421667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005008/publication.txt
observed 64f9bc6ed76151946319b9258e281bd2...
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.