OpenTechnical

OT-2026-000038707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038707) never changes.

Identity and time

Publication numberOT-2026-000038707 · never reused
Internal UUID01a0ae78-769e-7094-86b5-e4bcffe270d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038707
StatusPUBLIC

Content hashes

Canonical textf8eaf4439254352917989faba8fffbebe4edd082daf666ae75a9010a64825a75
Markdown81e53956d5d80f40860ff1213e573198e560515a6d7b0a8fe347d7639a97e980
PDF
Publication pagefd010dbc5c7ff4807fd9b32904fefc7b568a032a129331385a65ee0b5dc382aa
Manifestdd92bf00bbb087f80e9472586dc3f9c706d071d47560b0cf76dc5032bd099032

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
SignatureWKHhcLIxFLQK9JJ2tj7OtX5DTM8jYm0NFvtlT1H0fg7wRsPKyxhBNM7TwoXTbatW1Pz6apKaYqfH2Qz3gl/6Aw==
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

2026-09-17T11:21:13.728642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038707
observed fd010dbc5c7ff4807fd9b32904fefc7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.707964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038707/manifest.json
observed dd92bf00bbb087f80e9472586dc3f9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.689641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038707/publication.md
observed 81e53956d5d80f40860ff1213e573198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.672483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038707/publication.txt
observed f8eaf4439254352917989faba8fffbeb...
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.