OpenTechnical

OT-2026-000039991

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039991) never changes.

Identity and time

Publication numberOT-2026-000039991 · never reused
Internal UUID01a0ae78-d8d7-7107-b862-1b900db686f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039991
StatusPUBLIC

Content hashes

Canonical text091f45a6372b7bf424e8e46f84bd590cb23e001acf0e4e8315082f77a33c5c50
Markdown86a63d3b5211b343b1e7350557bab41a45efdcfb236e1f3db2239962d683c30f
PDF
Publication page90c5cf592594b760f6ff7a2f1feb4ddbeb99387b8b57184ab9e95c9e331a1562
Manifest2a9a20fbc8415069a39029aa2ee3931ed71bd384f54beb7188fb0184308318c2

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
SignatureIpqntltYl7NhWu9BGqOgdFyM1MElraZzuklgySo4nA0B4BYqKXDyQlpXugCIQrgYa4TeahEMLydw3ClSVOaKAA==
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

2026-09-17T12:43:06.160044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991
observed 90c5cf592594b760f6ff7a2f1feb4ddb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:06.005871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/manifest.json
observed 2a9a20fbc8415069a39029aa2ee3931e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:05.862202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/publication.md
observed 86a63d3b5211b343b1e7350557bab41a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:05.744096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/publication.txt
observed 091f45a6372b7bf424e8e46f84bd590c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.423204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991
observed 90c5cf592594b760f6ff7a2f1feb4ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.406290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/manifest.json
observed 2a9a20fbc8415069a39029aa2ee3931e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.386775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/publication.md
observed 86a63d3b5211b343b1e7350557bab41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.367091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039991/publication.txt
observed 091f45a6372b7bf424e8e46f84bd590c...
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.