OpenTechnical

OT-2026-000027076

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000027076) never changes.

Identity and time

Publication numberOT-2026-000027076 · never reused
Internal UUID01a0ae72-3453-7e8f-bdd7-6cb635db4cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027076
StatusPUBLIC

Content hashes

Canonical texte834748365e6b4668997cf9bb9b62bf2558b865ddd223c610108bd5405f873d4
Markdown9f1575b8ec0e9b144eeb37f76040228b08afe7dc941346169df97dd8367acad9
PDF
Publication page3d7971177db4d4a91949b8d2628fdbfed38efcb9c8be3442227c92953ce84853
Manifest0252888a2ee609d7da2bb998fb8554043a6035ceded7f01cafa763aee2e5b427

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
SignatureWuV5ByHJ0QEN/CfCvyUlJ813lyChQbEjgmp4ejWFA7srfmXMCQYwnlrdATzAfVcvAm3j7mLb/Ft58TfABReICQ==
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

2026-09-17T12:41:38.482405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076
observed 3d7971177db4d4a91949b8d2628fdbfe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:38.267472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/manifest.json
observed 0252888a2ee609d7da2bb998fb855404...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:38.025798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/publication.md
observed 9f1575b8ec0e9b144eeb37f76040228b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:37.849119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/publication.txt
observed e834748365e6b4668997cf9bb9b62bf2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.397161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076
observed 3d7971177db4d4a91949b8d2628fdbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.380561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/manifest.json
observed 0252888a2ee609d7da2bb998fb855404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.362595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/publication.md
observed 9f1575b8ec0e9b144eeb37f76040228b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.345279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027076/publication.txt
observed e834748365e6b4668997cf9bb9b62bf2...
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.