OpenTechnical

OT-2026-000008678

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000008678) never changes.

Identity and time

Publication numberOT-2026-000008678 · never reused
Internal UUID01a0ae6a-e46b-7b68-b4e0-a310c111dab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008678
StatusPUBLIC

Content hashes

Canonical text40959abe103c9a8129753967cb2a5909c10c62b08c65fd11b328a73b21a0ab48
Markdownf36ad63764deb3928b78e5e98bf2b1dc8e6b1d3422d494789bbbc8475ff1633d
PDF
Publication pagef3a96838d8d6c6cfa54942e8c0b590c323857b2049c5c78343c9a5c28457714f
Manifestfce9cc490b03e6dbf652a3b6e746728727d9ab7cdc6eda82191431393f0f206e

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
Signature9BgfkHcoWrh9ChaJ/M+Uxs8mfcButbKosdX2iHSndBlbMzUd+8PbZ2p9qfyc2IHISAPOxheUK2NDPbyAi5swAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.736255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008678
observed f3a96838d8d6c6cfa54942e8c0b590c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.716310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008678/manifest.json
observed fce9cc490b03e6dbf652a3b6e7467287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.699091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008678/publication.md
observed f36ad63764deb3928b78e5e98bf2b1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.678533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008678/publication.txt
observed 40959abe103c9a8129753967cb2a5909...
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.