OpenTechnical

OT-2026-000087220

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000087220) never changes.

Identity and time

Publication numberOT-2026-000087220 · never reused
Internal UUID01a0ae9a-9f2e-7d8f-8bcd-88a00b16620b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087220
StatusPUBLIC

Content hashes

Canonical textd17fb72318008cdd1ad549ed1b88fce942cb599a1c51997cb3e387cb8ff5eccb
Markdown930844831496dabdc43b8cdc2a671a4c706ab501ac19790a1d38a93a5da34c6b
PDF
Publication page4f8bfbf335f7b69353f41a836f787052867a6c8990166276e2ee0c75c5c321e2
Manifest60f7533430fff6698a8d98b66739ea8dfbe52fe399842a7546c87cc7f6e406f1

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
Signaturey3Ns+Kp99otabNAllei0ktIPgXK8HxmKueEjAu32VaVzfL1qvgTNXSkEbkftnjAXYSlY8WWarop13JR0wYhCAg==
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

2026-09-17T09:51:30.131279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087220
observed 4f8bfbf335f7b69353f41a836f787052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.113676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087220/manifest.json
observed 60f7533430fff6698a8d98b66739ea8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.084803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087220/publication.md
observed 930844831496dabdc43b8cdc2a671a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.065748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087220/publication.txt
observed d17fb72318008cdd1ad549ed1b88fce9...
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.