OpenTechnical

OT-2026-000008845

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000008845) never changes.

Identity and time

Publication numberOT-2026-000008845 · never reused
Internal UUID01a0ae6b-31b7-7d0e-8951-e63eff875143 · 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-2026-000008845
StatusPUBLIC

Content hashes

Canonical text19b6b0a3f02577e1a1d10cdc3c7e62432ae3c9acb151ff6787b8d8eaa3cab4d9
Markdowna65441bb5cfe3aab68d8c84b0003a3e85151eecc9353908b28538a2463563265
PDF
Publication page08d0452a72d5f72abee2f773189a3ebd0c50d5b15c1f20747430fc52e5af0316
Manifestc956eb9b76e4bb2bf0eea3045b903ac7acd1d387bfe32a47aee4cebf78b336e2

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
Signature5AwtdokdiwfYZp+knNj0y0oAXPTmK58N/OGMntfkdP9qBIGH6GcDpfnV3k6itQ2BFIjUaJOrQCBU3UMWgAzrAg==
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

2026-09-17T12:17:21.424004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008845
observed 08d0452a72d5f72abee2f773189a3ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.402263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008845/manifest.json
observed c956eb9b76e4bb2bf0eea3045b903ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.355162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008845/publication.md
observed a65441bb5cfe3aab68d8c84b0003a3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:21.308436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008845/publication.txt
observed 19b6b0a3f02577e1a1d10cdc3c7e6243...
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.