OpenTechnical

OT-2026-000101194

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101194) never changes.

Identity and time

Publication numberOT-2026-000101194 · never reused
Internal UUID01a0aea3-c378-77f2-94b6-6d90fb463941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101194
StatusPUBLIC

Content hashes

Canonical textf6b72b350602b977405ad303db7c628f9174ff89a78b3ade1b98a86758cac71e
Markdown4eb47295041d0cf988602da4bfa8f7e11f61fc1c0cc473352c2e26e21e59a07f
PDF
Publication page76f9883cbf12562bffd4f0460393387aa0c974fabc6a094724b6adb0d70b6db5
Manifest790bdb6a3aab620870052b14e56b19fa1571d1d3377d68a3fb48108bb390526b

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
SignatureVrxB3mR73JQQ+MU5+L1K6LZLc2LZjQgJfotnGfVLjlzr/sy4nYleXfqg0tpvAmMs0UPobYKBGG/RIibqp2CFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:50.566441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101194
observed 76f9883cbf12562bffd4f0460393387a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.547191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101194/manifest.json
observed 790bdb6a3aab620870052b14e56b19fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.527333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101194/publication.md
observed 4eb47295041d0cf988602da4bfa8f7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.509155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101194/publication.txt
observed f6b72b350602b977405ad303db7c628f...
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.