OpenTechnical

OT-2026-000103918

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103918) never changes.

Identity and time

Publication numberOT-2026-000103918 · never reused
Internal UUID01a0aea5-15e7-7dce-8d80-9c6d7bbb4798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103918
StatusPUBLIC

Content hashes

Canonical text8ca65cd0205de33eb4f651ca331bc047afbd5550585fd4ef7bab42cc5d944ef1
Markdown9cdaceb35c943c5e6729b6aa86b9d13d8138898e86f8cd123b942d58b93d67db
PDF
Publication page3b1ffe689845f59918248836bdbdac378bc162b9078f0b96f10d634ed6290bd7
Manifesta2fa9eceb18243379b280e0f5563fad0e0e7c325f76426d406387890c77a10fe

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
SignatureoRlkJasS/t+4TqAKbYqRQnXRUS41MjC1aLt27OECBiQFs4NUTldBT2YWZyDVWdXo4YWamd8+8VppDlJpmzeyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:54.795237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103918
observed 3b1ffe689845f59918248836bdbdac37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.778655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103918/manifest.json
observed a2fa9eceb18243379b280e0f5563fad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.760054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103918/publication.md
observed 9cdaceb35c943c5e6729b6aa86b9d13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.743240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103918/publication.txt
observed 8ca65cd0205de33eb4f651ca331bc047...
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.