OpenTechnical

OT-2026-000079793

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000079793) never changes.

Identity and time

Publication numberOT-2026-000079793 · never reused
Internal UUID01a0ae96-4376-7c7b-84f1-e7234498900d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079793
StatusPUBLIC

Content hashes

Canonical text2aff85d43976d022b010b25101541496b34b65252724963405ee37e750e75d25
Markdown9afd82e1f5d58d153e6105dec20c5d120ff5c03b5cc75d5234770ea9aafe7a47
PDF
Publication page175caf9891820dcc9eb994587145811110e4b875fee623c04a17cc30b95dbe6f
Manifestbfbb4dea2ad0576888dc288b8f2dac402881004fa7c8d10a8a0e94ed8350e830

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
SignatureqpNamFA/1y111wf07tEcLridQtUpj6L714sx+jED/NpgyrvDZB5yiyiYDJ+kM0v2tVd1zCNTgbrYUzVT5tK0Dg==
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

2026-09-17T10:03:40.237701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079793
observed 175caf9891820dcc9eb9945871458111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.220378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079793/manifest.json
observed bfbb4dea2ad0576888dc288b8f2dac40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.202720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079793/publication.md
observed 9afd82e1f5d58d153e6105dec20c5d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.184525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079793/publication.txt
observed 2aff85d43976d022b010b25101541496...
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.