OpenTechnical

OT-2026-000081995

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, sustained 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-2026-000081995) never changes.

Identity and time

Publication numberOT-2026-000081995 · never reused
Internal UUID01a0ae97-4d91-787d-b0f1-8907cf1dcd42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081995
StatusPUBLIC

Content hashes

Canonical textbe6106116208a28a278d1083802ecb197f8e9b78156198f71d7d43b9e8c75bc8
Markdown4f6fe23ecbdfc21ecac67f947f4b5eba551607c990d4204d4a595fd3a16fa580
PDF
Publication pagea209c94259b64cfd3872728b89ef6c0507a822db5782eceb6da3f92cc1fedcf5
Manifestf5318916c0f76fec308029866ff441e98ebbf1d4ade966ad61d8d97bab5affc0

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
Signature60wxceZq2YQpT6Gpu4g//V8N7UaeUWnVjsqXQJZeAiqPCKSIUgq0Sd++B48lasGHhRZpkoos9pDWLLxPq8cUAA==
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

2026-09-17T09:58:42.290205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081995
observed a209c94259b64cfd3872728b89ef6c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.272439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081995/manifest.json
observed f5318916c0f76fec308029866ff441e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.256050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081995/publication.md
observed 4f6fe23ecbdfc21ecac67f947f4b5eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.238337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081995/publication.txt
observed be6106116208a28a278d1083802ecb19...
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.