OpenTechnical

OT-2026-000080547

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080547) never changes.

Identity and time

Publication numberOT-2026-000080547 · never reused
Internal UUID01a0ae96-7e79-799e-b7ce-e52b149ac202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080547
StatusPUBLIC

Content hashes

Canonical textd18a6bb7436fb8dbf5ffe893a79ffbb019a428cb372db72e5ef659d0b3d58bfe
Markdownac765c6bd2994d6f0194949ba5d4b1bcba0562b584dee9dfbe3c78691b87d80d
PDF
Publication page091ce0436f45786885041ee384121468483a829d4592cc6a63a3d0c83b6763a2
Manifest571310f7a142b59560b6761c69eef8f646889abe8f596dd03f407eb43ccb982d

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
SignatureF2UBpc/FbNKUTBaWokVZYqx+AOdW8/08WEQ4R+ZYrICahDD8vWNPhtSalt47AfZRAiOqZV5IRKud6vXoy+cADA==
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

2026-09-17T10:03:10.522532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080547
observed 091ce0436f45786885041ee384121468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.500726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080547/manifest.json
observed 571310f7a142b59560b6761c69eef8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.464879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080547/publication.md
observed ac765c6bd2994d6f0194949ba5d4b1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.441579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080547/publication.txt
observed d18a6bb7436fb8dbf5ffe893a79ffbb0...
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.