OpenTechnical

OT-2026-000078438

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000078438) never changes.

Identity and time

Publication numberOT-2026-000078438 · never reused
Internal UUID01a0ae95-7c28-7c10-a0c8-d2f66f1da846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078438
StatusPUBLIC

Content hashes

Canonical text795a8437d6473a7a4d29b135bac5837fbac61a174bd7e604e9fecad58949e1d6
Markdown9c788d9c4687163379234dc564bfcb539f79e2ecfcd7d1f04d9ff3eb983c8a7c
PDF
Publication page6c6f9be718f1b755367f8a755f9e238c62aee473ca4e928fea3f734ccb782594
Manifest4d2b7e759d4d1431b8000d6222b6df3e722d819446d655704edf5039ee61de95

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
SignatureNMZl2c5WWDlgdbUdXcQmlcdvXzOgpXyppxeNlQfH0En9FPHBCg2gnxEnLKWbFh2jao8dSkeLFjT4Cj6cLTV3Cw==
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

2026-09-17T10:06:26.294806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078438
observed 6c6f9be718f1b755367f8a755f9e238c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.275732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078438/manifest.json
observed 4d2b7e759d4d1431b8000d6222b6df3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.256935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078438/publication.md
observed 9c788d9c4687163379234dc564bfcb53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.237954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078438/publication.txt
observed 795a8437d6473a7a4d29b135bac5837f...
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.