OpenTechnical

OT-2026-000079349

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000079349) never changes.

Identity and time

Publication numberOT-2026-000079349 · never reused
Internal UUID01a0ae96-0b90-7714-b533-a463b84a43e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079349
StatusPUBLIC

Content hashes

Canonical text2c41817858014551c13a908d7456d9a37fe22fed27d6d5c3c8688341534fcac4
Markdown552fd903e3a4d6234589f561c08c2a6e68064fed02796dd29946efb13627f752
PDF
Publication page2a41c32a6c364bf429864a6b5e8e53bc1fc61e8c5e706e2988c15769bc10e89b
Manifest0cdb6c4bfe248447195cdb3879a2032fd729211416d9dde97057fb4b284b09f6

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
Signature5YK62k/3uZnonJ+UAhuiKmf+PmUHobaef2D8RC2qZZfC9dP50K/NTcURnNTgXszQ+zeUvfZXaPpBfqx2ovOZDA==
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

2026-09-17T10:04:57.895323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079349
observed 2a41c32a6c364bf429864a6b5e8e53bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.875334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079349/manifest.json
observed 0cdb6c4bfe248447195cdb3879a2032f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.855084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079349/publication.md
observed 552fd903e3a4d6234589f561c08c2a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.835679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079349/publication.txt
observed 2c41817858014551c13a908d7456d9a3...
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.