OpenTechnical

OT-2026-000070708

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000070708) never changes.

Identity and time

Publication numberOT-2026-000070708 · never reused
Internal UUID01a0ae91-8c2c-76b2-9daf-8f90eacc11bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070708
StatusPUBLIC

Content hashes

Canonical textd344e87501261ce419d585261907fa8e73a5cd1608fa89bd85cef15a0a7a1a72
Markdown43bd1bf28ae08167bdce074041c08928ddb013d871816311639d060d0e158a2a
PDF
Publication pageb8add138cddd3b78e94e5f071161221d780f26ce897cdd70b5b534a07952bc81
Manifest9dca7e663064c6dec81d7d3ca362900f997026aae91221cc7339b8f313a6f2b8

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
SignatureGC4r8+VbHQ900xKujv/upHIoe8TadMk9lAXe/nWnjFVLc/wR+HfYpkskd4MniIMfqM1kGm6xcz67WsrB5tR9AQ==
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

2026-09-17T10:25:23.653104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070708
observed b8add138cddd3b78e94e5f071161221d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.634353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070708/manifest.json
observed 9dca7e663064c6dec81d7d3ca362900f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.615664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070708/publication.md
observed 43bd1bf28ae08167bdce074041c08928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.599563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070708/publication.txt
observed d344e87501261ce419d585261907fa8e...
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.