OpenTechnical

OT-2026-000077755

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077755) never changes.

Identity and time

Publication numberOT-2026-000077755 · never reused
Internal UUID01a0ae95-2ed0-77d7-858c-44d9df0ac4d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077755
StatusPUBLIC

Content hashes

Canonical text6d19bd1486fa2f820979efd3e7fc5b40a6144e75810aebe0a617b0f45e7127df
Markdowne93481f83e290bfdc59860c61adc04784d508b619df64a5357805a6e51cd6bee
PDF
Publication page37c5332de6411b398a4f9ac6003a058024e8e12bf6517bc292595f8b07c8cbd9
Manifest25ab62e2ace7c649d8d075ee257f4c1b4df4252f24dcec3bb9609a7d8a626fba

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
SignatureQHQNFd641QLJWzrFNxSSwz1uL6wnjm23hynnvRaCVlI9Mg4e5jULlyFauj8ZaTnkj6hDeDpTiH3jHWBT8zzSAw==
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

2026-09-17T10:07:20.253341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077755
observed 37c5332de6411b398a4f9ac6003a0580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.234142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077755/manifest.json
observed 25ab62e2ace7c649d8d075ee257f4c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.215170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077755/publication.md
observed e93481f83e290bfdc59860c61adc0478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.196950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077755/publication.txt
observed 6d19bd1486fa2f820979efd3e7fc5b40...
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.