OpenTechnical

OT-2026-000032178

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000032178) never changes.

Identity and time

Publication numberOT-2026-000032178 · never reused
Internal UUID01a0ae74-f7a6-700e-b774-805e333c24f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032178
StatusPUBLIC

Content hashes

Canonical text96063791b3fdf29646cfcb92ccddd515350e82b9534cbf471840034c37c3176c
Markdown8065a9fc61ee43d1211e0f1129a6392645d01fde77f116ac56244c9e86eda0e4
PDF
Publication pagea7986d5d1142cd1cbc4ea490cc52ef986931ec4d6ee12baaa2da5ebecbbe18a4
Manifest33fcba762fab0ff3097458a843a83eaa08b634dd8090e7e19c3fd737cc15d800

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
Signatureq+BXPRPaCuCzOHNTpMXM8pd9kydcL0myf2FxUlq0Q4pJrt3L7H8ggp1JD0gDy8MPgZaBhovAt34c3UxJJ3BSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:30.883043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032178
observed a7986d5d1142cd1cbc4ea490cc52ef98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.862307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032178/manifest.json
observed 33fcba762fab0ff3097458a843a83eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.834566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032178/publication.md
observed 8065a9fc61ee43d1211e0f1129a63926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.814507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032178/publication.txt
observed 96063791b3fdf29646cfcb92ccddd515...
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.