OpenTechnical

OT-2026-000005480

Publication integrity record

Porous face vacuum gripper, ejector fed, contact triggered, vented before set down, open cell

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-2026-000005480) never changes.

Identity and time

Publication numberOT-2026-000005480 · never reused
Internal UUID01a0a93a-55c5-74ff-a1c8-8a6d965ccced · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:27.687435Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005480
StatusPUBLIC

Content hashes

Canonical text2ee75f02fcb9e8e936fe702905af953b22485639a43c04307c0851e8283772f8
Markdown2ef260a24fdc65cd74d132c5074e9ae455cb48280f019555f07133dabfa8d3fb
PDF
Publication page1cf0c621ec27b2965195e17a380fa9d39a9cdef4ccf7d089efece5ddafbbe741
Manifest7da28f7869124ed447476505b3e71c6c778a545dc83d24d1e5622acfc8082945

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
SignaturetTQMDcCIvsmRjSMnDttkTbuJxKYG2Ql8x2wzFqOFOw+tXFdtpAMvlqfXtdj8EBz3iNn5o08rKdMHpJQMHTKzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:04.240658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005480
observed 1cf0c621ec27b2965195e17a380fa9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.226131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005480/manifest.json
observed 7da28f7869124ed447476505b3e71c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.212075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005480/publication.md
observed 2ef260a24fdc65cd74d132c5074e9ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.196239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005480/publication.txt
observed 2ee75f02fcb9e8e936fe702905af953b...
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.