OpenTechnical

OT-2026-000054604

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000054604) never changes.

Identity and time

Publication numberOT-2026-000054604 · never reused
Internal UUID01a0ae86-1283-7cb8-96fc-8a04f468f8f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054604
StatusPUBLIC

Content hashes

Canonical text3ed4f3be9451a5a668d9f430412c14cf097433a5d919f65841a8b7d10bf2ad96
Markdown012c5c4a12145a634bec38e6c566d010fbfced22b40c49edc6b9f1670385fb49
PDF
Publication page507ef724e504d8530e64013bed0b110309a383e1d09b888b54db29128c4fddf8
Manifest9e6e44bed2066cf2efa7640841542dd87903004576eba3f55bf4d3a11ee08c4e

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
SignatureSt9sm+XdFbyCEwZfEgeVFWsCIO9rUYfAoZz4te++whbIiWh4GpjkRY1UwNISiQdUn05rhm6MP+XD+Dg+SbntCw==
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

2026-09-17T10:53:39.561163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054604
observed 507ef724e504d8530e64013bed0b1103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.539744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054604/manifest.json
observed 9e6e44bed2066cf2efa7640841542dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.520178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054604/publication.md
observed 012c5c4a12145a634bec38e6c566d010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.500088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054604/publication.txt
observed 3ed4f3be9451a5a668d9f430412c14cf...
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.