OpenTechnical

OT-2026-000071580

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000071580) never changes.

Identity and time

Publication numberOT-2026-000071580 · never reused
Internal UUID01a0ae91-e0ee-7a10-a556-92b168345017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071580
StatusPUBLIC

Content hashes

Canonical textd592cf1633ff88ffcf1430953fe5817564e9ed854399c0e682a83ac7e75ab739
Markdown417ae6950e187d963e7d5342259d703a2ef557fc77a7d4fd8f2f57cd0fc16cf8
PDF
Publication pagee3565750bcf98f465dba74d1f28735a9d86e2642731e23c158307aff845a6996
Manifest926ec22ee9281ecf3003cb2d431bb5321e070c017ef046ce53f2662500a371ea

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
Signature1Ik4/c9XWbbLotEsz+aM447lMlD7BKe7i3wGGSoD0a6/oEOYfckWMBpkcFHwduhM92EH7qcc/qa20wzMdAS0DA==
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

2026-09-17T10:25:03.301709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071580
observed e3565750bcf98f465dba74d1f28735a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.284589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071580/manifest.json
observed 926ec22ee9281ecf3003cb2d431bb532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.268281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071580/publication.md
observed 417ae6950e187d963e7d5342259d703a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.253076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071580/publication.txt
observed d592cf1633ff88ffcf1430953fe58175...
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.