OpenTechnical

OT-2026-000017020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000017020) never changes.

Identity and time

Publication numberOT-2026-000017020 · never reused
Internal UUID01a0ae6e-591b-7542-bb74-52a88ff164e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017020
StatusPUBLIC

Content hashes

Canonical text2ddc5d8ef2952a8ee6df4f2ad82c384aa509a66148e7276458505e35446c3755
Markdown96caee3db62c57e2980111fba87e9a052ce41f6c9e19c861bd74b6159e9b6ac0
PDF
Publication paged7535b68de556e489f6bc2472938acf770633f0727c40fbebb1919c82f56c38c
Manifest95f889325d1a923f1de9d4e9196b872c4f68b3739991ea232987c2bc486b6dd2

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
Signature9+g7CiKYgJX6MKSWH/W4YfKW89gJBKZ8TDtaa/OuGdVxeKz4WtYTSdlY0hN7feXPEUDHC8Ne1FxSFjNp6onRCA==
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

2026-09-17T12:03:25.750525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017020
observed d7535b68de556e489f6bc2472938acf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.733235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017020/manifest.json
observed 95f889325d1a923f1de9d4e9196b872c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.717478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017020/publication.md
observed 96caee3db62c57e2980111fba87e9a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.700410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017020/publication.txt
observed 2ddc5d8ef2952a8ee6df4f2ad82c384a...
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.