OpenTechnical

OT-2026-000050616

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050616) never changes.

Identity and time

Publication numberOT-2026-000050616 · never reused
Internal UUID01a0ae82-5c4a-7303-85aa-bae7b0b1d2aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050616
StatusPUBLIC

Content hashes

Canonical text4f6325b9bf2d5caeb2e709b8b1eba8deb82d24b1821ca95bc9ce21296a873664
Markdown34e085a2ad3a9aa77a42a2dc03f972766d19d64550f1c9cd327493496f86dfa6
PDF
Publication page7b7aec194d4a29afd5ae98fd16d8b845ac656f269e58855b32e1c9b68767ed41
Manifest8ffabe29438576382fb9570d11e9150b8ec67d365f11978716ac6d71e3d4ec3c

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
SignaturedMJ6u9QwMhEfQ3vKSR6wAIsmAuUwtzsnTXjCV2wM2FK2QqHhwqvnIlBtk9D3pCCGZy6G5pSV+YwIA3BFJiTiAg==
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

2026-09-17T11:01:43.612417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050616
observed 7b7aec194d4a29afd5ae98fd16d8b845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.591890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050616/manifest.json
observed 8ffabe29438576382fb9570d11e9150b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.574215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050616/publication.md
observed 34e085a2ad3a9aa77a42a2dc03f97276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.555728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050616/publication.txt
observed 4f6325b9bf2d5caeb2e709b8b1eba8de...
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.