OpenTechnical

OT-2026-000008921

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000008921) never changes.

Identity and time

Publication numberOT-2026-000008921 · never reused
Internal UUID01a0ae6b-31b7-7403-9862-17ef00503725 · 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-2026-000008921
StatusPUBLIC

Content hashes

Canonical text94dd8065803c463a2fab6c716db18701b0f2c6861ed4d93790b7edd938965263
Markdown1b6fa76aba1ad60d78ed82beaa1e737a18b4b6928205c7b09ce7ad93a31036b4
PDF
Publication page8f1c0ffd5aac61126bdb3043fddc9de0202bbf523e6eebfa1efa3b4fc8d1bf40
Manifestf554177d246f2237eed877e979eafd70f76e1dfe9045708b716d26bbdda3ef36

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
Signaturea0TV0tdTB9BLnx6AVIKBiIwJh7GD/hStFkBMTwwRXg+V6wu44AuNPgznWV+wqGnVKapkmdiPtk8hEj+F9we1AA==
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

2026-09-17T12:17:31.791126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008921
observed 8f1c0ffd5aac61126bdb3043fddc9de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.768952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008921/manifest.json
observed f554177d246f2237eed877e979eafd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.749364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008921/publication.md
observed 1b6fa76aba1ad60d78ed82beaa1e737a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.729696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008921/publication.txt
observed 94dd8065803c463a2fab6c716db18701...
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.