OpenTechnical

OT-2026-000086231

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000086231) never changes.

Identity and time

Publication numberOT-2026-000086231 · never reused
Internal UUID01a0ae99-e82c-7b05-9720-8d10bf8cffd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086231
StatusPUBLIC

Content hashes

Canonical text4fabe8fac7ad427c927849318ca7b3a118b328abb094e8a20f2aa6ef53bf65a4
Markdown69a9fe86a07ffdeff72201272dc6461897395d5d59929b003e7ea4bed613766b
PDF
Publication page9be3d18b68883438fcf08939050ba90f3d6958eef0ea16476d45d7827dc4bdad
Manifest49e9675c7d1a4a5a24225b47bf9b6a4378443edc07126290b9c51e96893b56a3

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
SignatureXV+E2fGhu9VVkWB73VwfwLy4C4zl10x1JfuHZNhCNfd77sg+3HCKYRpGAiUF3sQis9CRN+Y6b0wHVtVBVJkFCA==
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

2026-09-17T09:53:55.109974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086231
observed 9be3d18b68883438fcf08939050ba90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.093295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086231/manifest.json
observed 49e9675c7d1a4a5a24225b47bf9b6a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.075122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086231/publication.md
observed 69a9fe86a07ffdeff72201272dc64618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.058010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086231/publication.txt
observed 4fabe8fac7ad427c927849318ca7b3a1...
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.