OpenTechnical

OT-2026-000088871

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088871) never changes.

Identity and time

Publication numberOT-2026-000088871 · never reused
Internal UUID01a0ae9b-8f11-7827-bf2a-9eb52611a2eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088871
StatusPUBLIC

Content hashes

Canonical text87a940031a1ca7dd56bbb22eaa6e167377dfa8681abcfefdf97679638880f953
Markdownc5810cdba1f783432a3f401c4542377cbc329724eef1221b21e01d90b77a4755
PDF
Publication page3b41ab8e6a1f1f5678a6eac9d69c391b653f45386f3c75014579aeb1319cdbed
Manifest1c7a923710294b4e3b3b9bdcfec8fe9c3d1f4c8dbd9e0f5f2bcf1e6043d03217

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
SignatureTVV6jd5fA/7GTpFALEdvMPQ2a278MaQQBBDJrJUTk+GfagKE/XGvA4X9LgD4oBAFWl7yuu8ND7bhRyVnDcH4AA==
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

2026-09-17T09:48:16.090885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088871
observed 3b41ab8e6a1f1f5678a6eac9d69c391b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.073681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088871/manifest.json
observed 1c7a923710294b4e3b3b9bdcfec8fe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.057664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088871/publication.md
observed c5810cdba1f783432a3f401c4542377c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.040435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088871/publication.txt
observed 87a940031a1ca7dd56bbb22eaa6e1673...
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.