OpenTechnical

OT-2026-000050599

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000050599) never changes.

Identity and time

Publication numberOT-2026-000050599 · never reused
Internal UUID01a0ae82-5c4a-7262-bea2-a1fa5cd8c681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050599
StatusPUBLIC

Content hashes

Canonical text85551f3fec298b7f36d9c6279411381be36385aa2457294e4668772105be87dc
Markdown7bf13d7ffc9a086d80fc5ba5065408be71c128f5791a8462b9920aaaad6cc611
PDF
Publication page5d5213119a8ef764e04e84a28b715cc964f23511a4cab8bc77d8d2a8fbeb0c1e
Manifest6718a6d5ddc6a7d4efeb641eb666bd7cc2c292607a67a7b9cf73bd81a4392192

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
SignaturevDKNqyLPBmHBdFJThgXaVrGCHFdiuzSj/7gQ+Oee529Xpsq6MFQdy3rM88xqHmuF9cvL3oiB3X3XvNppa3kECg==
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

2026-09-17T11:01:42.303157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050599
observed 5d5213119a8ef764e04e84a28b715cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.285662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050599/manifest.json
observed 6718a6d5ddc6a7d4efeb641eb666bd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.268244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050599/publication.md
observed 7bf13d7ffc9a086d80fc5ba5065408be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.247822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050599/publication.txt
observed 85551f3fec298b7f36d9c6279411381b...
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.