OpenTechnical

OT-2026-000072774

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072774) never changes.

Identity and time

Publication numberOT-2026-000072774 · never reused
Internal UUID01a0ae92-89da-7b50-9a88-d0a973a1e9a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072774
StatusPUBLIC

Content hashes

Canonical textb1cd8446f75d2d5081847a2f48261d5a718fb3cdd6b524c4b05cdf1631792007
Markdown537171658b2a13e1c7cb68d28846a6a8ac0181126389058a583244c43039fd2d
PDF
Publication page560ca3f98ca9865a9b9ec001a7863bdccb6e1ae11fdc839847bd30181a5bd049
Manifest29de2f01b5a88fc5a44fbc95ad9eb8934940c01c0ac51a207a71073cb21a25ef

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
SignaturegoG4iXfKXnU4eFRqGG9xChqhAZuUtrLSawl6QlxUhXA8s+AbV/8h5R4bK+h0IZkd0+vrSdSeZQ/76um2zRqmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:40.331666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072774
observed 560ca3f98ca9865a9b9ec001a7863bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.315084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072774/manifest.json
observed 29de2f01b5a88fc5a44fbc95ad9eb893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.298367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072774/publication.md
observed 537171658b2a13e1c7cb68d28846a6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.282509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072774/publication.txt
observed b1cd8446f75d2d5081847a2f48261d5a...
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.