OpenTechnical

OT-2026-000008877

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, vented 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-2026-000008877) never changes.

Identity and time

Publication numberOT-2026-000008877 · never reused
Internal UUID01a0ae6b-31b7-7733-b94d-683dd5ed5b3a · 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-2026-000008877
StatusPUBLIC

Content hashes

Canonical texte31e57231f6a7c986e3f2f4b7109d3c37cfca5b358e811c25d0f51b1b8f0d605
Markdownc31fe1abb56cb0b66389f249d139aa257157a5c17f5a61122e2cbdede3bd5cea
PDF
Publication page3eea48c7457626ca855ca126ce7653d84e2376c51c99fc205ede0f9abb6c4492
Manifest93e2b74003eac5c5180f04f1a080c1af262329868fe1c1ca31f360d90ccf80fd

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
SignaturecoAFGxVLCOJm+W1lWm91+OsjYAj3s5RrO3qALN6K3yO1xzOY2M2o6D+tNMN9J5KXMC5oYtZO9OU0ah+v8jMuAA==
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

2026-09-17T12:17:28.310153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008877
observed 3eea48c7457626ca855ca126ce7653d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.290120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008877/manifest.json
observed 93e2b74003eac5c5180f04f1a080c1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.271578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008877/publication.md
observed c31fe1abb56cb0b66389f249d139aa25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.252261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008877/publication.txt
observed e31e57231f6a7c986e3f2f4b7109d3c3...
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.