OpenTechnical

OT-2026-000061678

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000061678) never changes.

Identity and time

Publication numberOT-2026-000061678 · never reused
Internal UUID01a0ae8b-b8aa-7c2f-937f-42ebb74c56df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061678
StatusPUBLIC

Content hashes

Canonical text97f4de44a2b89fac92b309f3fef568b9031b45beab2d2a39fdc58248d507f1da
Markdown0f088971f700cb1f642217ea3201b6145abb6fe4816544e961437829b236a97b
PDF
Publication pageb8a5f4ebae232362d8331c7f396fe0b3302b3f8f0175247f4867b51d9d6818cf
Manifestbf62ba5707d935501da46104814278bba0b00846efe865044a1025bf563c2a73

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
SignatureJQA9CijcPMUXhhJA7XoKaMpm9SFyIj4h9WQH/O1Adr+iPsq7q5PhuSwDyz7k3D1W0SkeJsN6d2LNv1pfeQiPCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:14.009484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061678
observed b8a5f4ebae232362d8331c7f396fe0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.989128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061678/manifest.json
observed bf62ba5707d935501da46104814278bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.965662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061678/publication.md
observed 0f088971f700cb1f642217ea3201b614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.942470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061678/publication.txt
observed 97f4de44a2b89fac92b309f3fef568b9...
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.