OpenTechnical

OT-2026-000088776

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000088776) never changes.

Identity and time

Publication numberOT-2026-000088776 · never reused
Internal UUID01a0ae9b-8f10-7f23-90bd-b07244754b9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088776
StatusPUBLIC

Content hashes

Canonical text3509dd062c4a0cfe3dbd4ec1f69a877ccb026beab8ecf8cb7a248c194cea31f8
Markdownab6e54a9955db95069c032463c87538ed6129e8d5f6c15a8f6e45c5b123bed68
PDF
Publication page2c5a64bab3120f7342a8e4233d8bf14ceba628e73abfedb7671702016af7b773
Manifestb306a5c25e77a766989f9ab57a338c814f8f550de4486f5522ff3d82695b055e

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
SignatureuFzOEerGGEXsZuCr8DTrXTU/XO4HUJLXXs+aJs1lil3QybD79NbTs3hPp2rHSfDvIplc84KBAKIGnmTz8tWlCA==
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

2026-09-17T09:48:09.067814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088776
observed 2c5a64bab3120f7342a8e4233d8bf14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.050058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088776/manifest.json
observed b306a5c25e77a766989f9ab57a338c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.008026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088776/publication.md
observed ab6e54a9955db95069c032463c87538e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.966748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088776/publication.txt
observed 3509dd062c4a0cfe3dbd4ec1f69a877c...
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.