OpenTechnical

OT-2026-000080773

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000080773) never changes.

Identity and time

Publication numberOT-2026-000080773 · never reused
Internal UUID01a0ae96-b974-73a8-bb1a-b87d0462c372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080773
StatusPUBLIC

Content hashes

Canonical text08704fee68e2b325df92080f6dcdc4207c5748fc788ff29b31e9082d17a7ea15
Markdown49ecb251a60d1d3153ad583ba8e3175ff4d5a76b96cf9614a4a3f99e00b80483
PDF
Publication page28a49336641b5f1c227aa3cfbc563a79fb6a72ace156ee6e107c9d622b87ed53
Manifesta39b0438a6a57eb5bd220a54425df156c798ec4d7d4695858b0b34e64369df82

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
SignaturenK7IFI66RjGd4kgxTt4gtUs/8QcvX32fWoaCq9M0bDjnoMsMVIiro4sOTKGHxegOUX1G63Sr6xmE0HicP9X/Dw==
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

2026-09-17T10:01:56.430652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080773
observed 28a49336641b5f1c227aa3cfbc563a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.414705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080773/manifest.json
observed a39b0438a6a57eb5bd220a54425df156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.399195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080773/publication.md
observed 49ecb251a60d1d3153ad583ba8e3175f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.383226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080773/publication.txt
observed 08704fee68e2b325df92080f6dcdc420...
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.