OpenTechnical

OT-2026-000087119

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained 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-2026-000087119) never changes.

Identity and time

Publication numberOT-2026-000087119 · never reused
Internal UUID01a0ae9a-9f2d-7b84-9216-3e3d9495f5c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087119
StatusPUBLIC

Content hashes

Canonical text871ca6bd9ad33090ddc3aae55175d9eef3e2e0c2f61547ed21e32ff51fc40f25
Markdown11a38d6ef915f68aa0876b34a0d9039a011ee3f546299d45d87b6daed271b4e3
PDF
Publication pagebd944906d30777f9a5129d1db5136bceacfe10e92d78dd075443c0116f309f40
Manifest6f6f051ca47c12fde6801bd678e707d8516ec35679a6bd3cefe644aef8c128cb

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
Signaturenn20ZAMbXzfkJ21hXsSK1R/LhjfgpoFKPD6mX3ne7uK2qL2noywpTTV/6gZRTeYQQYOMCM1kdsDK38kM+uEsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:22.884197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087119
observed bd944906d30777f9a5129d1db5136bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.867868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087119/manifest.json
observed 6f6f051ca47c12fde6801bd678e707d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.852864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087119/publication.md
observed 11a38d6ef915f68aa0876b34a0d9039a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.837506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087119/publication.txt
observed 871ca6bd9ad33090ddc3aae55175d9ee...
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.