OpenTechnical

OT-2026-000061305

Publication integrity record

Six cup vacuum gripper, six 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-2026-000061305) never changes.

Identity and time

Publication numberOT-2026-000061305 · never reused
Internal UUID01a0ae8b-1384-7b20-9da4-df8a473a9fc4 · 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-2026-000061305
StatusPUBLIC

Content hashes

Canonical text0416b164c370e2d743f95d750ba68a6cc023242c48c48051cac5a2b1712c5fba
Markdown9d8195c2e2bb85efa772c68de79d8076e0f7bb4931cabc1605f82aa7076f8530
PDF
Publication pageb0f9e51a68fc9cd0a427341dfb698bdf8f17c6503d5070eaffe42f4e7e999f66
Manifest43fdf42b53f97930e824115c48d795288c0e1a4a2cdbda8922b615fba25b84fa

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
Signature3Bd7Qu0A1qCsVgTqkAxMohVzF/Ibq1XgAYfrqxwZjth0MDEA5N2jD95YtBubx3BuxvRmEKMSgHs7NGPSq0+TAQ==
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

2026-09-17T10:42:44.164453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061305
observed b0f9e51a68fc9cd0a427341dfb698bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.142629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061305/manifest.json
observed 43fdf42b53f97930e824115c48d79528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.121439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061305/publication.md
observed 9d8195c2e2bb85efa772c68de79d8076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:44.104136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061305/publication.txt
observed 0416b164c370e2d743f95d750ba68a6c...
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.