OpenTechnical

OT-2026-000050414

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000050414) never changes.

Identity and time

Publication numberOT-2026-000050414 · never reused
Internal UUID01a0ae82-5c48-7f51-9ef3-e8324b90febc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050414
StatusPUBLIC

Content hashes

Canonical text525c712add71d72fdb9397c6381efacc14eee06f9ebea322e6a1e99dfbe63858
Markdown686554a1a51c0fe51cddee5dafe3ea528495ab169330a5d44fc4df4eef3e5ab4
PDF
Publication page334d8e2bcc86bb450824f8d354b2f5fc7d1c4851d9516579beea5f08024d3f15
Manifest56a86ab7ee54d1879a8f2dd92b1710f79527e511c7b684aebd7ad30e7d3174b5

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
SignatureyB6Pa1DQlBNPaocRMulNN+qX35yxunubr+WZDXu1LuJXRh8tLq7+HFEK7GOV4T/NZFLb5FcMghOS/7kgM4V5Ag==
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

2026-09-17T11:01:27.472971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050414
observed 334d8e2bcc86bb450824f8d354b2f5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.455024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050414/manifest.json
observed 56a86ab7ee54d1879a8f2dd92b1710f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.437736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050414/publication.md
observed 686554a1a51c0fe51cddee5dafe3ea52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.420620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050414/publication.txt
observed 525c712add71d72fdb9397c6381efacc...
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.