OpenTechnical

OT-2026-000061021

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061021) never changes.

Identity and time

Publication numberOT-2026-000061021 · never reused
Internal UUID01a0ae8b-12f4-753d-af8a-d559ae062461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061021
StatusPUBLIC

Content hashes

Canonical textd83d9638495357b78879369d55e62020caab5b592bdc3f3a45d4b489bedfffeb
Markdown4307e7f65196caacbc4928b3b012127667828ea03ad1638f924f7a3940796667
PDF
Publication page8aa8caad7ea973180b327d6594014a6069d3c86be08de1c951e3a2ca1875d723
Manifest6fc60f3ac3f440d145c12da979757db228df149da5e06855ebc49dbd833b35d4

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
SignaturevxcZZGYLAsqNykTXPKS30jifPNBq8xSZb8GSIdC6akURjkuzAT7ayYPUW/s3fuS/0ruimrjHCbR4DB8tEmS+CA==
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...

Independent retrieval

2026-09-17T10:42:21.935520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061021
observed 8aa8caad7ea973180b327d6594014a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.915998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061021/manifest.json
observed 6fc60f3ac3f440d145c12da979757db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.897046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061021/publication.md
observed 4307e7f65196caacbc4928b3b0121276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.877621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061021/publication.txt
observed d83d9638495357b78879369d55e62020...
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.