OpenTechnical

OT-2026-000015633

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000015633) never changes.

Identity and time

Publication numberOT-2026-000015633 · never reused
Internal UUID01a0ae6e-0c4b-7b5b-ac62-0d8e3de4c334 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015633
StatusPUBLIC

Content hashes

Canonical text36b80a4c8b62bcc9ab110e9846e5e72f3ba665e6d57bd9b36e622f57f5b99e7d
Markdownd7447039213ae5e38f83df2fa0b972e0b4ea49ac101b524cce03fdc5a4c91807
PDF
Publication page3b606f6395da47c2ab8b349004c083e9719a5041bad6073e08717a6fd8bceab3
Manifest0a04039de92540c8cd2263f9e44484779844ef65d8dd0723865eb28e88758e2c

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
SignatureU+22+X/SNcQ/Du903o16qOemvdDzd3cU28qO7/T1Bpu+ZBX+/aWoIEHyBiBAtTpzst/2Nw+SRXCWASwM2EdRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:53.175805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015633
observed 3b606f6395da47c2ab8b349004c083e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.158421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015633/manifest.json
observed 0a04039de92540c8cd2263f9e4448477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.138369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015633/publication.md
observed d7447039213ae5e38f83df2fa0b972e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.080892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015633/publication.txt
observed 36b80a4c8b62bcc9ab110e9846e5e72f...
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.