OpenTechnical

OT-2026-000081587

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000081587) never changes.

Identity and time

Publication numberOT-2026-000081587 · never reused
Internal UUID01a0ae97-0f71-7889-bdb4-a89481f9295a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081587
StatusPUBLIC

Content hashes

Canonical text876233a37e950a2cdde057cf110e73490ec46235d3e7b5efd3bc0904b9b81b02
Markdown7e501fed688a94f5a15818d16e67b0cb66e1e9cd6fe12150ab8f354c5f3be3c2
PDF
Publication page4bc89fd6c2ad4eb3ba0f4d4ce1b2697a0b40102874a01064d2222eeb142489f5
Manifested1ea06da2a2029e431071b8917480f4cbcb0237b8c9516a18b4996b3263c440

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
Signatureaxsf3CQ2EJmC0uGC1NO2eaUHYwpDnfSecvqYjPJEV13PK30qJmM+2SEb0OmScjXgOed42Zn48KBUf70PLHoVBg==
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

2026-09-17T09:59:37.335964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081587
observed 4bc89fd6c2ad4eb3ba0f4d4ce1b2697a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.318478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081587/manifest.json
observed ed1ea06da2a2029e431071b8917480f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.299966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081587/publication.md
observed 7e501fed688a94f5a15818d16e67b0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.282354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081587/publication.txt
observed 876233a37e950a2cdde057cf110e7349...
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.