OpenTechnical

OT-2026-000008777

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000008777) never changes.

Identity and time

Publication numberOT-2026-000008777 · never reused
Internal UUID01a0ae6a-e46c-7e74-91af-9cfa0214023f · 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-2026-000008777
StatusPUBLIC

Content hashes

Canonical text0228b521e56f0023c91e96d68e5e4bac99def124c5f4445f16c57aa9814dfe12
Markdown82fb76ed4e5ca4e26341dbdc9f446e44a6d067225115ad45f90b6475d9e756fd
PDF
Publication page12510aa61758f011793f4f5d37b86a07dfff61dca5e3cbd7613fed41fcb5d9c4
Manifestc42482ccd20ca59f238a4e382d4697a9c536c5497cb0ced6a649957cb1ec4521

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
Signaturep8m85FItFZiFBwrDOSxBJjFZr0ljy1+u/C4fJsPijN8HcWPjBUikB/kxzOblHIaeJ0Y3G8JNMHZv1/oLhZGYCA==
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

2026-09-17T12:18:52.727011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008777
observed 12510aa61758f011793f4f5d37b86a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.706973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008777/manifest.json
observed c42482ccd20ca59f238a4e382d4697a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.688060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008777/publication.md
observed 82fb76ed4e5ca4e26341dbdc9f446e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.667903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008777/publication.txt
observed 0228b521e56f0023c91e96d68e5e4bac...
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.