OpenTechnical

OT-2026-000087740

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000087740) never changes.

Identity and time

Publication numberOT-2026-000087740 · never reused
Internal UUID01a0ae9a-cd55-7f6f-a05d-16edfb9a478c · 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-2026-000087740
StatusPUBLIC

Content hashes

Canonical text5c74711ecd780b4164667a1b774e74a9ada5177de387761f6330100fe2232ea5
Markdownf0d57b35dae95f7535c275863097915c1f9dfcdda6418970b8fd9f113a8f8958
PDF
Publication page0eb1d8093d5b3a180b20f5cdbd7d5d6d71153f5041e626a2f20fb2acbaff5d6f
Manifestfecb71651bd265226b3a44bb666f866010c5ab3362c49d51147e3479f22a878b

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
SignatureAwVhMh+954RsahLNXpnt9ATDqTxQuRi0PrwMYrtuBI3x2U+hohpIi/n6wA/jikRmE/elqalCEbDtUJ8bh3SCAA==
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

2026-09-17T09:51:11.678355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087740
observed 0eb1d8093d5b3a180b20f5cdbd7d5d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.663634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087740/manifest.json
observed fecb71651bd265226b3a44bb666f8660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.647365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087740/publication.md
observed f0d57b35dae95f7535c275863097915c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.632504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087740/publication.txt
observed 5c74711ecd780b4164667a1b774e74a9...
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.