OpenTechnical

OT-2026-000005062

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, two stage ejector, open cell

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-2026-000005062) never changes.

Identity and time

Publication numberOT-2026-000005062 · never reused
Internal UUID01a0a92c-a6e1-7164-99d6-8246a0ddafd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:30.947925Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005062
StatusPUBLIC

Content hashes

Canonical textc48be3b2ea4d2565ce60cd2ae079550567307cad882c9a1595429d766d4f21e6
Markdown903cfe7fb21af32132255ef95474fafcb8275a62ea315b3929aa95a7a648aa54
PDF
Publication page4675e7ac55f56908fb917fca530b992593556a31231f1c39dc6ffcf6f25fae2e
Manifest139410985d0e87d1a0774d5508f2c7c01cc4d2a0925ecb13e25022bbd2c8c190

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
Signaturezc58bpCbta+3GfpiM+k2x3JJodUaNiARxinok8JC38utcUZVJ5VFbxCxSgPFDW94MVkzK9sGMBbi/4H+ixPTDQ==
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

2026-09-16T07:50:19.684725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005062
observed 4675e7ac55f56908fb917fca530b9925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.670959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005062/manifest.json
observed 139410985d0e87d1a0774d5508f2c7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.657649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005062/publication.md
observed 903cfe7fb21af32132255ef95474fafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.645365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005062/publication.txt
observed c48be3b2ea4d2565ce60cd2ae0795505...
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.