OpenTechnical

OT-2026-000054050

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000054050) never changes.

Identity and time

Publication numberOT-2026-000054050 · never reused
Internal UUID01a0ae85-b3a7-7b18-94d4-3f28dd8e9404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054050
StatusPUBLIC

Content hashes

Canonical textd33b711df5fc46ea28de85bba1bbd3746a05a88f03ff1d1ad4b17768dc3fe0cc
Markdown7bef945fb3328e9480f451a45357d7cf6e10755e7012e2fcf843220f1e3e28bd
PDF
Publication page0b6fbb5f8be9be103a0fecba98184684e0be66513cc2693fb8193eecc19059f7
Manifest94e2779170c89a7323433d8fba5cc03c5d3ac636dddf2ffe4c1ba07565af18e8

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
SignatureI4ULodB2CoAVMbqbdrpTR6DALGF+NcC2iNGfPhSyVCNhMTNv5SHo7BQ27wF60WnOITsKJMPt6IxqlL5Jir8hDw==
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

2026-09-17T10:54:25.346817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054050
observed 0b6fbb5f8be9be103a0fecba98184684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.328759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054050/manifest.json
observed 94e2779170c89a7323433d8fba5cc03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.311188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054050/publication.md
observed 7bef945fb3328e9480f451a45357d7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.293613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054050/publication.txt
observed d33b711df5fc46ea28de85bba1bbd374...
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.