OpenTechnical

OT-2026-000008977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000008977) never changes.

Identity and time

Publication numberOT-2026-000008977 · never reused
Internal UUID01a0ae6b-31b8-764a-a470-6871c03c8c02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008977
StatusPUBLIC

Content hashes

Canonical textd9df0da96ec622ece041b235c7a64c79e8c4577a0fbf47b0ddde93d731793542
Markdowna7d8b90042aec5a890eccc3d75905451c740975b4c0c3959288ea4fb38e228c6
PDF
Publication page0badd07dd8ba60f5f9769aed7352badcede0d3c54303b568a4808dd9a960ce61
Manifestd325996f0b507622adc8641d4f57c436ae661b7e296544048e08b3f76bb8f8b1

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
SignaturetUByTcZyJTH9VJH+7fXbU/hPugomTy2Ge1MrOztBqLaF1+fLp3JFYV6GmSMCP7bowbeZpx5KZER+nphWPLbmCw==
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

2026-09-17T12:17:35.946601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008977
observed 0badd07dd8ba60f5f9769aed7352badc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.926435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008977/manifest.json
observed d325996f0b507622adc8641d4f57c436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.906499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008977/publication.md
observed a7d8b90042aec5a890eccc3d75905451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.886429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008977/publication.txt
observed d9df0da96ec622ece041b235c7a64c79...
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.