OpenTechnical

OT-2026-000058269

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000058269) never changes.

Identity and time

Publication numberOT-2026-000058269 · never reused
Internal UUID01a0ae88-f397-7836-9431-b8413b78c3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058269
StatusPUBLIC

Content hashes

Canonical text65381d5af08a2e4b1c0dc260d7352b77fb1c25bd2f2ec02fc10eccf186ce5936
Markdown57cf0648a0fcecdb547c27b6fa423ff98f9083a95e19d0c884ddc845ecf70899
PDF
Publication pagee2ba43b1923f27fdff4da06e72e4b73faef6dc2e22296e90c9bb10e9bc69dc2c
Manifest8488091f17abb2258966ae4609e2560051beca4ff397560375ff6b8d6b64e778

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
SignatureNJ+1xXGEX4gjyQJAXAkRkaTaFnsROzkvu6GmXMLlpZjYFS+ueZwFAbHyX7c99YEN1z2KmHura6RKqe3jQipTAQ==
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

2026-09-17T10:46:39.288841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058269
observed e2ba43b1923f27fdff4da06e72e4b73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.271209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058269/manifest.json
observed 8488091f17abb2258966ae4609e25600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.252100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058269/publication.md
observed 57cf0648a0fcecdb547c27b6fa423ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.236334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058269/publication.txt
observed 65381d5af08a2e4b1c0dc260d7352b77...
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.