OpenTechnical

OT-2026-000053025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000053025) never changes.

Identity and time

Publication numberOT-2026-000053025 · never reused
Internal UUID01a0ae84-a430-71e4-bda2-585a67859837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053025
StatusPUBLIC

Content hashes

Canonical textd2a28ca67ee9c6febe95ed4e0675bf7a6852de990d12bd5c469a093dfeed1bbf
Markdownada9a45f4e69f0c8c0f5f4b0121b21420fec61e95a4405303b2bb96cf6681a67
PDF
Publication page5ffaf2ad408810b6d6ba89002cb580decd7ff022a5dc78a1ddeb62c67bbdc182
Manifest3eb6851a1c1602da62a71a8b3845362eef4caf22d6e25e9991eff79329598e0d

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
Signature5WRG2JdCUo1X4VSYcfqfBoiExVWu1ilKQNloU31+/Nv1wKXOC1r5CSfU5alMNquylUHC5msVejPqoKufTWkxDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:43.660050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053025
observed 5ffaf2ad408810b6d6ba89002cb580de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.642484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053025/manifest.json
observed 3eb6851a1c1602da62a71a8b3845362e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.624764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053025/publication.md
observed ada9a45f4e69f0c8c0f5f4b0121b2142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.607521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053025/publication.txt
observed d2a28ca67ee9c6febe95ed4e0675bf7a...
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.