OpenTechnical

OT-2026-000042470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042470) never changes.

Identity and time

Publication numberOT-2026-000042470 · never reused
Internal UUID01a0ae7a-c0cc-7cf1-991a-28331414e31b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042470
StatusPUBLIC

Content hashes

Canonical text3b1db22da78d6be7e63bca76ed604f42ba95c01a72814d8ad2819690b0e1b95b
Markdownf04c0f4fb10a28690e8c0ce93790c3a7c2b8856c5b5dfae62b875d92c050aea3
PDF
Publication page77d5e74f565eac5300c98a1bc2cd727917b2396da1ac463e50904dde26c75e47
Manifestfb2e39a674b8f4f53a8c80cd1b5bff9fd05b6ad0dd6ca12bdfb5ea1accec9091

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
SignaturegRcDNHEcKSZChODnLMVHHRtYBuhX4rmBp+aLRV22wF8kl5ArZubZFcFKxR/SiHcNWZtSMATiSeyRa1BPA/4sBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:02.096866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042470
observed 77d5e74f565eac5300c98a1bc2cd7279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.078776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042470/manifest.json
observed fb2e39a674b8f4f53a8c80cd1b5bff9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.059220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042470/publication.md
observed f04c0f4fb10a28690e8c0ce93790c3a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.040134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042470/publication.txt
observed 3b1db22da78d6be7e63bca76ed604f42...
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.