OpenTechnical

OT-2026-000054454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000054454) never changes.

Identity and time

Publication numberOT-2026-000054454 · never reused
Internal UUID01a0ae86-1282-70b7-834d-42c1591c8724 · 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-2026-000054454
StatusPUBLIC

Content hashes

Canonical textc86e72f5e8ccbea888c08dc9ed5ebace04739812119cddfd9ad1b0f649a38b90
Markdown900230a16908d3ae1e8e1af503c31ba8ddf3a638ab98dab0f2f65d890b504826
PDF
Publication pagee7a5ee467b9e881c2d2e2985f36cdcebaaf102e36aa4ac7d8f0ea4afd051ca97
Manifeste2c83a32bc592cc64aed6f28896b1ea076dba041dafbe79e167eab2745d2a742

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
SignatureK5JAY7aGvz2LhPEyh6sxzXp5eJYh6RM8LHeng3l6UO194mZMiZk9BsCxVfAX9uB2r+lAkUEZ9iNwXTRi+8RfDw==
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

2026-09-17T10:53:26.613802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054454
observed e7a5ee467b9e881c2d2e2985f36cdceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.594227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054454/manifest.json
observed e2c83a32bc592cc64aed6f28896b1ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.576788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054454/publication.md
observed 900230a16908d3ae1e8e1af503c31ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.555693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054454/publication.txt
observed c86e72f5e8ccbea888c08dc9ed5ebace...
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.