OpenTechnical

OT-2026-000087216

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, sustained blow-off before 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-2026-000087216) never changes.

Identity and time

Publication numberOT-2026-000087216 · never reused
Internal UUID01a0ae9a-9f2e-7033-abfd-8cea569e1e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087216
StatusPUBLIC

Content hashes

Canonical text0b317fbd7c24a07df8a4350df257ec7cddd22d7be5c91f47e2317f279a3dbfaf
Markdownd075f8002624b1624555d9d30a3a9aa38a7fbb60081cf0cb22ae72a9a4c98907
PDF
Publication pagee469192319bfcba1379de9716b86f659ee4bbd37b80666f1786a9143f03016d7
Manifest0e45c0633d04688f17805363b6601f176816d39f5c6c541b550f0cdd41f5121a

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
SignatureKIiSGh1wpMDYb7ZyOKniOW2zuyLuwIPPnFHGT2EdKmJrVcYfwF1XwycU3pfEkwMx8qsBbNzsTzCONSgCxdYxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:29.825148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087216
observed e469192319bfcba1379de9716b86f659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.807588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087216/manifest.json
observed 0e45c0633d04688f17805363b6601f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.791405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087216/publication.md
observed d075f8002624b1624555d9d30a3a9aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.773921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087216/publication.txt
observed 0b317fbd7c24a07df8a4350df257ec7c...
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.