OpenTechnical

OT-2026-000030108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000030108) never changes.

Identity and time

Publication numberOT-2026-000030108 · never reused
Internal UUID01a0ae73-e4ff-7bb3-a087-834697e5c466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030108
StatusPUBLIC

Content hashes

Canonical texteb06736d2905ea821474c0c14b407c7cdaa0ff8dc8647513a679f294f2434d41
Markdown56361e727ec094f24d4fac1d53105d0ba2aaecd064194b3648fa3fd652da1580
PDF
Publication pagead68e50d0cc22caa70975385ef95d1709be3d23cca67e13df068fad24007876a
Manifest77da59cf7a06c5ac017dee0d1b00ca3dbf5ab7bbefa4626e43fa932a7e17fb19

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
SignatureuUVr42qyZvkaIDqbksBVl0qfeAcg2O2Clv8iCUZ3gJ/YWr7KgqRjvma5f8tMVdWEQHkPWp4wM7w7xyd69Z1yAA==
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

2026-09-17T11:40:20.331415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108
observed ad68e50d0cc22caa70975385ef95d170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.315105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/manifest.json
observed 77da59cf7a06c5ac017dee0d1b00ca3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.297662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/publication.md
observed 56361e727ec094f24d4fac1d53105d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.278844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/publication.txt
observed eb06736d2905ea821474c0c14b407c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.330332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108
observed ad68e50d0cc22caa70975385ef95d170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.312515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/manifest.json
observed 77da59cf7a06c5ac017dee0d1b00ca3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.293977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/publication.md
observed 56361e727ec094f24d4fac1d53105d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.275078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030108/publication.txt
observed eb06736d2905ea821474c0c14b407c7c...
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.