OpenTechnical

OT-2026-000089700

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089700) never changes.

Identity and time

Publication numberOT-2026-000089700 · never reused
Internal UUID01a0ae9c-1a22-75c4-a6af-7059aa327201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089700
StatusPUBLIC

Content hashes

Canonical text413895d775dc12f9a47321d5da097ba96f7ac89fe979a0e4be871dacfa10dbd7
Markdown8e245eaba3f1e04cff586034b7957d5c9940c403e5099ed7f07639f062d599f5
PDF
Publication page79ae49d4071728ea257377567368d53fdd63e57b1b945ce98382f50327a03b35
Manifest807cd64aa1bab5cbb4f544cf10bcf1ef41b73df36d2b8fac660452e9551a14e2

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
SignatureL1fRLeM9bDnPYRYNGly+T9M0gSzIgX/FXc/pidifJWZ3/lEaL7gfacciQClHeN/BbFRKYCTGr3QA3B3fhExTDg==
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

2026-09-17T09:46:42.042128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089700
observed 79ae49d4071728ea257377567368d53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.008453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089700/manifest.json
observed 807cd64aa1bab5cbb4f544cf10bcf1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.991965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089700/publication.md
observed 8e245eaba3f1e04cff586034b7957d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.974815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089700/publication.txt
observed 413895d775dc12f9a47321d5da097ba9...
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.