OpenTechnical

OT-2026-000088683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000088683) never changes.

Identity and time

Publication numberOT-2026-000088683 · never reused
Internal UUID01a0ae9b-8f0f-7129-9ca0-50dca7306f4b · 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-2026-000088683
StatusPUBLIC

Content hashes

Canonical text654d75ef8a993b2846a2e70ca72ec04f8ba236352a41a5e7dba5f07c7f3e68b3
Markdownbe43e865d546b942d92594638ddceab0ca3b7cc7e8d6ebd921e139a9bbbce21f
PDF
Publication page57e5ee77ec6b85c47e8369edde7dc42cfe882f6c77cf12593c88b56f22ee6b17
Manifestf671e1da56706f4bbb676a31d18c8c13b64ea572fd1596c630b2f4a6f217790d

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
SignatureEvGdkwC27DMVwjyiDPAzKWklEkufkSUa1iq326FxvnSiyF+0/AoZIWcc/YVV8PuMnl0SFM3IrQIfhMlUCD++AQ==
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

2026-09-17T09:47:54.707558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088683
observed 57e5ee77ec6b85c47e8369edde7dc42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.689640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088683/manifest.json
observed f671e1da56706f4bbb676a31d18c8c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.672323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088683/publication.md
observed be43e865d546b942d92594638ddceab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.653526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088683/publication.txt
observed 654d75ef8a993b2846a2e70ca72ec04f...
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.