OpenTechnical

OT-2026-000055650

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000055650) never changes.

Identity and time

Publication numberOT-2026-000055650 · never reused
Internal UUID01a0ae86-a103-73a6-9638-7e42a39ee101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055650
StatusPUBLIC

Content hashes

Canonical textdf108a104cb8423b5e5dafad0e30b33e339411978fefff407c7cccac40512d55
Markdowne2d30d4ca8255b5988c20a02ac4fdf081b63cc1c2e8a2dce7811444dd67c828c
PDF
Publication page8e6260079639ee1777f1730101b3bd3ffdf8a9fa9fcb17d3ce7fc80b3a717e60
Manifest3dfd02cf9a9a73d95f069bf73ea584465514434f6c544234657d74c687f6cbdf

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
SignatureCP1vIF5hMsnCl26+3pENPd2lGnyCNkPJ2N/VXkU3p+XK/c9Ly3JT2LB6T508rrECqmz8Xs7grDyR57hIx3smDw==
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

2026-09-17T10:52:54.371066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055650
observed 8e6260079639ee1777f1730101b3bd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.352601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055650/manifest.json
observed 3dfd02cf9a9a73d95f069bf73ea58446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.331980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055650/publication.md
observed e2d30d4ca8255b5988c20a02ac4fdf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.313259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055650/publication.txt
observed df108a104cb8423b5e5dafad0e30b33e...
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.