OpenTechnical

OT-2026-000078949

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078949) never changes.

Identity and time

Publication numberOT-2026-000078949 · never reused
Internal UUID01a0ae95-ccbe-73fe-bdfd-81c21cb56787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078949
StatusPUBLIC

Content hashes

Canonical textc78ab6a32ce9d6477dd27d059f9e185a32d5d36fcc0ed33a1507e7806b0d643a
Markdown1664541863f4bdca26632742881fc55ec29e935401cfc0d07c0ceeb3017e34df
PDF
Publication page1f4d8510da2f009d80fa9bb9ed6c331b689e1cc53c053d699e73bd26b4430f63
Manifest27f05c8f4a7fc3f3a7fe2c695a83cf497640580d8aa2e4c4c30e130e99fc3fc5

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
SignatureOlX1fEbozSje9BGRSwjeWGBPa5f1jUlw8sXiz5QpusINBUYILOLuBy0a0gTgJ8Vp1fZGqW0cBci0ZvWKN1FtCQ==
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

2026-09-17T10:05:46.450030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078949
observed 1f4d8510da2f009d80fa9bb9ed6c331b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.433269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078949/manifest.json
observed 27f05c8f4a7fc3f3a7fe2c695a83cf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.416205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078949/publication.md
observed 1664541863f4bdca26632742881fc55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.398484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078949/publication.txt
observed c78ab6a32ce9d6477dd27d059f9e185a...
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.