OpenTechnical

OT-2026-000043508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000043508) never changes.

Identity and time

Publication numberOT-2026-000043508 · never reused
Internal UUID01a0ae7b-92cf-7613-9a00-fa9bd99606ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043508
StatusPUBLIC

Content hashes

Canonical text47c2ec697d502f2872f5b8b8b4b0d3c072276f54b1dadbc4c0ab8ccc1c7581ea
Markdown40ce32d49692b27d04cf2a91ecc737d8748996c35a82befffe2c275747f4c677
PDF
Publication page86b28377b9b2e6609b3c20aedfbcafbdfb620ed25e785e40f99a6a376b3907ff
Manifest618d49a25d4ce10196ae26389857d0bb9571dc89fc79b3fe587fc1f5d1c3a0df

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
SignaturecrkuGVAHya+KRjnAZa2KVkwf+2L0cafk58IUTiZ5sT8Kg8V99TSaapr+oEoxHuEJjqTlmoa4E6DdJlifaq7mAg==
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

2026-09-17T11:12:52.666211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043508
observed 86b28377b9b2e6609b3c20aedfbcafbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.647274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043508/manifest.json
observed 618d49a25d4ce10196ae26389857d0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.629012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043508/publication.md
observed 40ce32d49692b27d04cf2a91ecc737d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.609179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043508/publication.txt
observed 47c2ec697d502f2872f5b8b8b4b0d3c0...
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.