OpenTechnical

OT-2026-000048076

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000048076) never changes.

Identity and time

Publication numberOT-2026-000048076 · never reused
Internal UUID01a0ae7f-c423-7d0c-80b5-9d5d0130a188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048076
StatusPUBLIC

Content hashes

Canonical text6900f28a53cd7efee27d3a4a7246b79bb3106f9aec5e742f043377dfe2e039d9
Markdown87fa29eb5d1787713bc6a1cd72cbd6c063b0da8ad821bb2eac4bd83b0cec536b
PDF
Publication page45c0b421c5d17eb3e4afc27f8e6f1112d82eba1087c100179cec7ca9d3abe9c7
Manifest3ed5b45b729fdaaa06aa4a8763482e94f78f0c1add5f3e4b40cba5f7f87d214d

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
SignatureXp20+nKoScGf31uBLEi3cP/150dRi2ThjCru4PTeu37C/Gbs87BV6UResQv6+ka51PVnZFLxRsi6Lk3fyExxAg==
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

2026-09-17T11:06:05.566107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048076
observed 45c0b421c5d17eb3e4afc27f8e6f1112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.546503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048076/manifest.json
observed 3ed5b45b729fdaaa06aa4a8763482e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.527483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048076/publication.md
observed 87fa29eb5d1787713bc6a1cd72cbd6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.507821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048076/publication.txt
observed 6900f28a53cd7efee27d3a4a7246b79b...
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.