OpenTechnical

OT-2026-000073099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073099) never changes.

Identity and time

Publication numberOT-2026-000073099 · never reused
Internal UUID01a0ae92-c816-73fc-bbe7-e15df5b0829c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073099
StatusPUBLIC

Content hashes

Canonical textcd4d789d66630b7af5c2aacbcafc56e0d32c866a7cb19968f65d02e3ae967327
Markdownb7a2023466d03c1a63be498b8a3e7b21879f7c3e26756cde4e69fdfafd2a3b18
PDF
Publication page0efe16908482c8e0128dcffd17115c47def840b297b851071a557662d81c2eb9
Manifest30d741cb9b2fdef3eebad6d853182df8118e48f8069c6428190eb3d44caae0d7

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
SignaturejOrgC9MLwBmUmRtspClj0ctGpM8IP4qcLKQi5ca/EQHmflSA8TcZ/IOKN9tvoY6nbkAhjfTsyGFa6p/PAXDnCw==
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

2026-09-17T10:22:03.551195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073099
observed 0efe16908482c8e0128dcffd17115c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.533539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073099/manifest.json
observed 30d741cb9b2fdef3eebad6d853182df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.517052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073099/publication.md
observed b7a2023466d03c1a63be498b8a3e7b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.498527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073099/publication.txt
observed cd4d789d66630b7af5c2aacbcafc56e0...
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.