OpenTechnical

OT-2026-000075501

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000075501) never changes.

Identity and time

Publication numberOT-2026-000075501 · never reused
Internal UUID01a0ae93-f202-7e97-abfe-45d4dad6249d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075501
StatusPUBLIC

Content hashes

Canonical textfc27d3d2edaf905fef77a58201a5a2190109b0ceec2dc4271a1928e9e77261f6
Markdown2fbe6afc10d8f508467c6d51dc1e12e3c099e188403de564919e8dd30782093b
PDF
Publication page72c3975b27880555f60fc21c0ac1a69445a360b6f03c7d4e3d7334688c616e65
Manifest73fe96e39c2f7aea3a9134a32cd459332eb7221d9f1eeb0b4acf1d99aa964b29

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
Signatureb/Txc58LhB3f6S7E4rLo+ftcvqVD0i+iMCjC6AuESc4SEERBD012kbW74QSq0u4XhXW+mwxB5VA+ntcyey3IAw==
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

2026-09-17T10:17:54.776242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075501
observed 72c3975b27880555f60fc21c0ac1a694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.757161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075501/manifest.json
observed 73fe96e39c2f7aea3a9134a32cd45933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.738934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075501/publication.md
observed 2fbe6afc10d8f508467c6d51dc1e12e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:54.716950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075501/publication.txt
observed fc27d3d2edaf905fef77a58201a5a219...
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.