OpenTechnical

OT-2026-000087270

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000087270) never changes.

Identity and time

Publication numberOT-2026-000087270 · never reused
Internal UUID01a0ae9a-cd4e-794b-98af-c737c657f90b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087270
StatusPUBLIC

Content hashes

Canonical text29d1d025c4b6e50d614e6e3a3d608e82e1cb28dfd634ef6ce0372f5d17529377
Markdown1770cf147dd5c4a105388b7e3266aaa718b9d820fbcb016722817fdde97c0363
PDF
Publication page56d7ae35b34606972f63d63e99df6f49867e03e53074d2738566d3083b1afd9b
Manifest4d8b9cd84930da411c120cb6cef6234caf33c0903ffd22b8cff598e66cfccade

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
SignaturetpBXU6+xnHiY6HUvV8Yl3J8hCKdbwnP1G8dh8Jc8CIuN6pBUUGKDajUiPxe6IMdyGbCx8FmD3QSPo+YNGUX4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:23.517092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270
observed 56d7ae35b34606972f63d63e99df6f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.494439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/manifest.json
observed 4d8b9cd84930da411c120cb6cef6234c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.471005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270
observed 56d7ae35b34606972f63d63e99df6f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.467049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/publication.md
observed 1770cf147dd5c4a105388b7e3266aaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.449108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/manifest.json
observed 4d8b9cd84930da411c120cb6cef6234c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.446464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/publication.txt
observed 29d1d025c4b6e50d614e6e3a3d608e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.428751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/publication.md
observed 1770cf147dd5c4a105388b7e3266aaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.405738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087270/publication.txt
observed 29d1d025c4b6e50d614e6e3a3d608e82...
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.