OpenTechnical

OT-2026-000047802

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000047802) never changes.

Identity and time

Publication numberOT-2026-000047802 · never reused
Internal UUID01a0ae7f-c420-7e25-9870-f74d4ef90974 · 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-2026-000047802
StatusPUBLIC

Content hashes

Canonical text304f131a22705c45b56cca34b5a69da1586c2018ab56b71551278348a32faca2
Markdownf80e1d95541a01f9037f5111fc6b7969c020386376133ac06ba6a3eaf1dd9dba
PDF
Publication pageb5c4b9b249eb80476fc79ec96780e9dca0e635fd0c1862521aeb3a9425c3cea8
Manifest8d55a409203d6208661410a6924aaaddd748ee3ab84db869374792e57314b857

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
Signature8bLeWhJmBYhNHsHmJ9Mxd8S2TU8XU0/TyYMtd/A6yG+0UGhXW60ZL5tmQcwAlfd/FmAZahGQODWYriSXLkcODw==
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

2026-09-17T11:05:42.252244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047802
observed b5c4b9b249eb80476fc79ec96780e9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.232918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047802/manifest.json
observed 8d55a409203d6208661410a6924aaadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.213896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047802/publication.md
observed f80e1d95541a01f9037f5111fc6b7969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.195326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047802/publication.txt
observed 304f131a22705c45b56cca34b5a69da1...
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.