OpenTechnical

OT-2026-000061234

Publication integrity record

Foam pad vacuum gripper, 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-2026-000061234) never changes.

Identity and time

Publication numberOT-2026-000061234 · never reused
Internal UUID01a0ae8b-1382-78b6-940d-3ef626f37e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061234
StatusPUBLIC

Content hashes

Canonical text600bdab25c77e23d4a2c04a49fb4a08431288ebd6c421e23697befa32f771783
Markdown20f4cfc7c2f7f77ff6c1a17d1c979af1f166032b4d1196500c58e217ede74e22
PDF
Publication page1e893d45bd5beae9fb74024546f0fc7c82cb6b27fc05dabdfa58f45824ccae5e
Manifest6e0707af53f8e268f1a46eefb981bc573387327f1577b38154ad33cd7e734f68

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
SignatureY/USJDxwdLGW8r8VhmiJuNx5iZbEVcp3HvhAwDvy0PySAziGIwSIG+/MjbLoICkoqP9kXDnKuQfVWjQb77AcBQ==
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

2026-09-17T10:42:38.655953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061234
observed 1e893d45bd5beae9fb74024546f0fc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.638781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061234/manifest.json
observed 6e0707af53f8e268f1a46eefb981bc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.620832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061234/publication.md
observed 20f4cfc7c2f7f77ff6c1a17d1c979af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.602716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061234/publication.txt
observed 600bdab25c77e23d4a2c04a49fb4a084...
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.