OpenTechnical

OT-2026-000081645

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000081645) never changes.

Identity and time

Publication numberOT-2026-000081645 · never reused
Internal UUID01a0ae97-0f72-7d24-8952-6a81106156c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081645
StatusPUBLIC

Content hashes

Canonical text1d47ed7b3c4378c0de9924ca12b3d21cd55a0043fb1000a2fadf73d18b63c056
Markdowne84c7d57d103f996ec0748fa6204507f83918c7a501f306d5f453c82d72955b3
PDF
Publication pagea91e82c2e9f38acd21caa148dabc4bcb0ca69867986268381bd0395ea415e024
Manifestd2c2e4d7b4406ebac67e90232f54b0879e645ef09268502ff2f1b984a35f0035

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
Signature48nDRYhEFanb9QJ1anwPiKZKvHaMsc8U1gUFQ7bGOl10ESG8nfy8RrYjbcqwy1UK4LU5GjT44uDvxSdbzJzcAw==
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

2026-09-17T09:59:41.847252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081645
observed a91e82c2e9f38acd21caa148dabc4bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.829601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081645/manifest.json
observed d2c2e4d7b4406ebac67e90232f54b087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.812038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081645/publication.md
observed e84c7d57d103f996ec0748fa6204507f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.795120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081645/publication.txt
observed 1d47ed7b3c4378c0de9924ca12b3d21c...
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.