OpenTechnical

OT-2026-000026235

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000026235) never changes.

Identity and time

Publication numberOT-2026-000026235 · never reused
Internal UUID01a0ae71-a841-7f5a-a9fe-cfb8ecd9f2b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026235
StatusPUBLIC

Content hashes

Canonical textdd1f2bc2f3ffade060ad079c85153d85ee006b6c1cad674ab0b8f167a5b1aa1a
Markdown3cc52b8a3edd90456c4b661ede3f039102fb95444f4b3b293cad9953bdd30f87
PDF
Publication pageafb0c55d825fe84b9800a0f17ac632d610aa877ca12d41a7c75cce62f4ae6c9a
Manifest78526e2d5d9b0748fc7a7012bbc735b81afabc48d6b96c13a7dadaadc46c2fea

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
Signature4vLtB5Xw6sgkD/shmQwB2diRzvY6OzT0ywjVJlXo9mss/g8A+BMDGQQ6ozZ5onUljLfDUPXOH+wonufRut2iAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:46.023638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026235
observed afb0c55d825fe84b9800a0f17ac632d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.004957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026235/manifest.json
observed 78526e2d5d9b0748fc7a7012bbc735b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.984248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026235/publication.md
observed 3cc52b8a3edd90456c4b661ede3f0391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.966349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026235/publication.txt
observed dd1f2bc2f3ffade060ad079c85153d85...
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.