OpenTechnical

OT-2026-000101080

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101080) never changes.

Identity and time

Publication numberOT-2026-000101080 · never reused
Internal UUID01a0aea3-c377-7e43-97f6-adbf06983e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101080
StatusPUBLIC

Content hashes

Canonical text691f9fec769118a1e1004815498a6885a34f8b992d103fad18e6eece67871724
Markdownc4bb4fdd862d624fbf2de9199333b8074af74568fd49c7504342776949567f0a
PDF
Publication page5bb6b599e4f9e89fe20146f0ba92778e389285f7fa33aab9144d59adf4198b79
Manifeste0bc99fa2c7232f11687da64b7aaa2d83db2428e86d4cfa893b62e16b8a1c85c

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
Signature4tEDaA0GG9LHOZtpOKqbqvoNnrtLVvG/Et3wujPm4S9bYtoPjEYfvEu1rV/d2SCORHemse163c+pKZNXTHWJCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:41.986278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101080
observed 5bb6b599e4f9e89fe20146f0ba92778e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.969649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101080/manifest.json
observed e0bc99fa2c7232f11687da64b7aaa2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.951567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101080/publication.md
observed c4bb4fdd862d624fbf2de9199333b807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.934179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101080/publication.txt
observed 691f9fec769118a1e1004815498a6885...
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.