OpenTechnical

OT-2026-000086904

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000086904) never changes.

Identity and time

Publication numberOT-2026-000086904 · never reused
Internal UUID01a0ae9a-80a5-732d-9774-9f5d42f263b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086904
StatusPUBLIC

Content hashes

Canonical text88cc55e3fae14c1f15711f81f2ff4655a10612d4545b2b0011f1d3f0ae36d26d
Markdowna9065d27f8f83db6ac0f03edf28c5392323a6741d741b70a540e9ebe3ff99720
PDF
Publication page117cc011c15dd78abef12ea384b636096dac4aa02899e35c1438d5a74b9786c5
Manifest481c09b4a7550c8fe81391ca24569356dcfb11ada2fd1b168a12bab35544f70d

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
Signature6gnnhmSmMMdilbde+GHIKJpI/PhyMbT9pFV09qpGrf96RO3U/xSFJHhza58AOVc+aMmUuwt3Qvc9CJWXlQevCw==
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

2026-09-17T09:51:45.381262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086904
observed 117cc011c15dd78abef12ea384b63609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.363899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086904/manifest.json
observed 481c09b4a7550c8fe81391ca24569356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.342698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086904/publication.md
observed a9065d27f8f83db6ac0f03edf28c5392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.323270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086904/publication.txt
observed 88cc55e3fae14c1f15711f81f2ff4655...
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.