OpenTechnical

OT-2026-000008215

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, vented after 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-2026-000008215) never changes.

Identity and time

Publication numberOT-2026-000008215 · never reused
Internal UUID01a0ae6a-908d-7736-a285-d6f65f168b7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008215
StatusPUBLIC

Content hashes

Canonical texta9e10837ff97bae70fde6f883127a7652005809bb55a89a7c549ac4673ea8fa6
Markdowncb93dcf66b0eb34e27b4bdd1abbee009347a2abc81642024aff230f76626f80b
PDF
Publication pagef6b8fe343b4c5da96d1c8e97a5d5c36765292aa2a9325b1a2e8993ae8e7da68a
Manifestb58031b3a1ec13ab37cf9083a72f19dfe1cc1b4f9c34982bc1e188654569deb3

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
Signaturee4HtIYagLC5irNHX8Hf9Lu15BO1h0NwtHtQMY9NEoSQOuT5Pi5WM/1wPUkbagaAbHoJrF+1uLKnXAReYsXeKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.716278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008215
observed f6b8fe343b4c5da96d1c8e97a5d5c367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.699385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008215/manifest.json
observed b58031b3a1ec13ab37cf9083a72f19df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.679507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008215/publication.md
observed cb93dcf66b0eb34e27b4bdd1abbee009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.661604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008215/publication.txt
observed a9e10837ff97bae70fde6f883127a765...
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.