OpenTechnical

OT-2026-000087315

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000087315) never changes.

Identity and time

Publication numberOT-2026-000087315 · never reused
Internal UUID01a0ae9a-cd4e-7877-941a-9219c4b4ee6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087315
StatusPUBLIC

Content hashes

Canonical text3b8ccf36999434d438461ad2f292ae3d2db97634f36c1ffbab52c8a8e4faa6da
Markdownbd3fb18dfd4639d9419f47a897bf32e834025772c51a0309586f1c04ea6a4b28
PDF
Publication pageabb503c1e3ef58721c90dee0de3f443e0bde71a9ca1ae6f20ff34f10038cd7a3
Manifest2cd9ef6852f6b15fb09daeb621cd34261895ac736c93e5ce84b7e3f939b8f5c9

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
SignatureBTtbEFR6fueFMOWbjOuvQUtiRyGrMzOKXLGScrZwGkKdRGBAxXbFAcTttuhnsm1ttXBCwOp5wi7R8CwH0W9aDw==
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

2026-09-17T09:50:28.705539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315
observed abb503c1e3ef58721c90dee0de3f443e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.688347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315
observed abb503c1e3ef58721c90dee0de3f443e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.686204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/manifest.json
observed 2cd9ef6852f6b15fb09daeb621cd3426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.669679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/manifest.json
observed 2cd9ef6852f6b15fb09daeb621cd3426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.668177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/publication.md
observed bd3fb18dfd4639d9419f47a897bf32e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.652090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/publication.md
observed bd3fb18dfd4639d9419f47a897bf32e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.650973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/publication.txt
observed 3b8ccf36999434d438461ad2f292ae3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.634232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087315/publication.txt
observed 3b8ccf36999434d438461ad2f292ae3d...
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.