OpenTechnical

OT-2026-000088989

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000088989) never changes.

Identity and time

Publication numberOT-2026-000088989 · never reused
Internal UUID01a0ae9b-8f11-7b80-9efb-1e426ce904b8 · 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-2026-000088989
StatusPUBLIC

Content hashes

Canonical texta16baa50b502d64ed1c771204df6fa808e5be926fa714054ebde4f0e7903a447
Markdown25f2d071be79a890dd6d496c8f82461eb8b6481c654ee12e8f27665b098dcdd6
PDF
Publication pagedd5b0678196b900d11d22cb7c1399a902a345a740a9d8387fd52c87016737800
Manifest448d72425620762ddbbc8b0a2bda85ebd2128185ba30cdf2c889b7846a2210c4

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
Signaturew38rkqNNY3ZcSzOWRkW27vpwMrgfy7wU0br5NhAF9OJ/ckeNWlr+CKZ80wXndeFyViayXtbgjgmygy6JLvPCAQ==
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

2026-09-17T09:48:28.562821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088989
observed dd5b0678196b900d11d22cb7c1399a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.545565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088989/manifest.json
observed 448d72425620762ddbbc8b0a2bda85eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.528720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088989/publication.md
observed 25f2d071be79a890dd6d496c8f82461e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.509458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088989/publication.txt
observed a16baa50b502d64ed1c771204df6fa80...
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.