OpenTechnical

OT-2026-000076637

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000076637) never changes.

Identity and time

Publication numberOT-2026-000076637 · never reused
Internal UUID01a0ae94-b06e-7c43-ad44-7fd2343895bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076637
StatusPUBLIC

Content hashes

Canonical text0a5afd9f30a63e9cb26234ffae11d7d266e969238fc0f400338adefeafa0f1fe
Markdown2e0ec9c7ec7a6c9391548f6d8b11e6ee497d2374606260675405dec1d18bccc9
PDF
Publication page75050e4b83115214c6efc2103ba2152d5b353a4547fc6c2c90cd4ce8b299e07c
Manifest1981f6f636ec39642c924ad542bd5ba3a55adb57428c0a20f2124a3f69c4d9d3

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
SignaturetydniMOXjD6cn8cLbADilXCC+oNVE+Gw0M8yOh3ztqzeaaohd8X5/+9y+leYaf+ZO3xOzuU6nSO4vdvy2rQzDw==
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

2026-09-17T10:09:22.368543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076637
observed 75050e4b83115214c6efc2103ba2152d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.349148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076637/manifest.json
observed 1981f6f636ec39642c924ad542bd5ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.330645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076637/publication.md
observed 2e0ec9c7ec7a6c9391548f6d8b11e6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.311053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076637/publication.txt
observed 0a5afd9f30a63e9cb26234ffae11d7d2...
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.